diff --git a/src/components/Medium/Timer.tsx b/src/components/Medium/Timer.tsx
index 58ce4751..b75b6c64 100644
--- a/src/components/Medium/Timer.tsx
+++ b/src/components/Medium/Timer.tsx
@@ -1,80 +1,80 @@
 import useExamStore from "@/stores/examStore";
-import { useEffect, useState } from "react";
-import { motion } from "framer-motion";
+import {useEffect, useState} from "react";
+import {motion} from "framer-motion";
 import TimerEndedModal from "../TimerEndedModal";
 import clsx from "clsx";
-import { BsStopwatch } from "react-icons/bs";
+import {BsStopwatch} from "react-icons/bs";
 
 interface Props {
-    minTimer: number;
-    disableTimer?: boolean;
-    standalone?: boolean;
+	minTimer: number;
+	disableTimer?: boolean;
+	standalone?: boolean;
 }
 
 const Timer: React.FC<Props> = ({minTimer, disableTimer, standalone = false}) => {
-    const [timer, setTimer] = useState(minTimer * 60);
-    const [showModal, setShowModal] = useState(false);
-    const [warningMode, setWarningMode] = useState(false);
+	const [timer, setTimer] = useState(minTimer * 60);
+	const [showModal, setShowModal] = useState(false);
+	const [warningMode, setWarningMode] = useState(false);
 
-    const setHasExamEnded = useExamStore((state) => state.setHasExamEnded);
-    const { timeSpent } = useExamStore((state) => state);
+	const setHasExamEnded = useExamStore((state) => state.setHasExamEnded);
+	const {timeSpent} = useExamStore((state) => state);
 
-    useEffect(() => setTimer((prev) => prev - timeSpent), [timeSpent]);
+	useEffect(() => setTimer((prev) => prev - timeSpent), [timeSpent]);
 
-    useEffect(() => {
-        if (!disableTimer) {
-            const timerInterval = setInterval(() => setTimer((prev) => prev - 1), 1000);
+	useEffect(() => {
+		if (!disableTimer) {
+			const timerInterval = setInterval(() => setTimer((prev) => prev - 1), 1000);
 
-            return () => {
-                clearInterval(timerInterval);
-            };
-        }
-    }, [disableTimer, minTimer]);
+			return () => {
+				clearInterval(timerInterval);
+			};
+		}
+	}, [disableTimer, minTimer]);
 
-    useEffect(() => {
-        if (timer <= 0) setShowModal(true);
-    }, [timer]);
+	useEffect(() => {
+		if (timer <= 0) setShowModal(true);
+	}, [timer]);
 
-    useEffect(() => {
-        if (timer < 300 && !warningMode) setWarningMode(true);
-    }, [timer, warningMode]);
+	useEffect(() => {
+		if (timer < 300 && !warningMode) setWarningMode(true);
+	}, [timer, warningMode]);
 
-    return (
-        <>
-            <TimerEndedModal
-                isOpen={showModal}
-                onClose={() => {
-                    setHasExamEnded(true);
-                    setShowModal(false);
-                }}
-            />
-            <motion.div
-                className={clsx(
-                    "absolute right-6 bg-mti-gray-seasalt px-4 py-3 flex items-center gap-2 rounded-full text-mti-gray-davy",
-                    standalone ? "top-10" : "top-4", 
-                    warningMode && !disableTimer && "bg-mti-red-light text-mti-gray-seasalt",
-                )}
-                initial={{ scale: warningMode && !disableTimer ? 0.8 : 1 }}
-                animate={{ scale: warningMode && !disableTimer ? 1.1 : 1 }}
-                transition={{ repeat: Infinity, repeatType: "reverse", duration: 0.5, ease: "easeInOut" }}>
-                <BsStopwatch className="w-6 h-6" />
-                <span className="text-base font-semibold w-12">
-                    {timer > 0 && (
-                        <>
-                            {Math.floor(timer / 60)
-                                .toString(10)
-                                .padStart(2, "0")}
-                            :
-                            {Math.floor(timer % 60)
-                                .toString(10)
-                                .padStart(2, "0")}
-                        </>
-                    )}
-                    {timer <= 0 && <>00:00</>}
-                </span>
-            </motion.div>
-        </>
-    );
-}
+	return (
+		<>
+			<TimerEndedModal
+				isOpen={showModal}
+				onClose={() => {
+					setHasExamEnded(true);
+					setShowModal(false);
+				}}
+			/>
+			<motion.div
+				className={clsx(
+					"absolute right-6 bg-mti-gray-seasalt px-4 py-3 flex items-center gap-2 rounded-full text-mti-gray-davy",
+					standalone ? "top-10" : "top-4",
+					warningMode && !disableTimer && "bg-mti-red-light text-mti-gray-seasalt",
+				)}
+				initial={{scale: warningMode && !disableTimer ? 0.8 : 1}}
+				animate={{scale: warningMode && !disableTimer ? 1.1 : 1}}
+				transition={{repeat: Infinity, repeatType: "reverse", duration: 0.5, ease: "easeInOut"}}>
+				<BsStopwatch className="w-6 h-6" />
+				<span className="text-lg font-bold w-12">
+					{timer > 0 && (
+						<>
+							{Math.floor(timer / 60)
+								.toString(10)
+								.padStart(2, "0")}
+							:
+							{Math.floor(timer % 60)
+								.toString(10)
+								.padStart(2, "0")}
+						</>
+					)}
+					{timer <= 0 && <>00:00</>}
+				</span>
+			</motion.div>
+		</>
+	);
+};
 
 export default Timer;
diff --git a/src/dashboards/MasterCorporate.tsx b/src/dashboards/MasterCorporate.tsx
index 9c2a0554..7770e8c1 100644
--- a/src/dashboards/MasterCorporate.tsx
+++ b/src/dashboards/MasterCorporate.tsx
@@ -437,7 +437,6 @@ export default function MasterCorporateDashboard({ user }: Props) {
 
   const { data: stats } = useFilterRecordsByUser<Stat[]>();
   const { users, reload } = useUsers();
-  const { codes } = useCodes(user.id);
   const { groups } = useGroups({ admin: user.id, userType: user.type });
   const { balance } = useUserBalance();
 
@@ -447,9 +446,9 @@ export default function MasterCorporateDashboard({ user }: Props) {
     ),
   ], [groups, user.id]);
 
-  const corporateUserGroups = [
+  const corporateUserGroups = useMemo(() => [
     ...new Set(groups.flatMap((g) => g.participants)),
-  ];
+  ], [groups])
 
   const {
     assignments,