Add Bonus Apex class

force-app/main/default/classes/Bonus.cls

@@ -0,0 +1,32 @@
+public class Bonus 
+{
+    
+    public static Map<String,Decimal> calculate(List <String>employee,Decimal salesamount)
+    {
+        Decimal bonus,Bonusamount;
+        if(salesamount>100000)
+        {
+            bonus=0.2;
+        }
+        else
+        {
+            bonus=0.1;
+        }
+            Bonusamount=bonus*salesamount;
+        
+        Map <String,Decimal> k=new Map<String,Decimal>();
+        for(Integer i=0;i<employee.size();i++)
+        {
+          
+            k.put(employee.get(i),Bonusamount);
+        }
+       
+        return k;
+        }
+        public static void show()
+       {
+           List <String> l=new List<String>{'Aman','Arpit','Naveen','Lokesh'};
+           System.debug(calculate(l,150000));
+       }
+
+}