happy birthday

 function happyBirthday(arg1, arg2, arg3, arg4, arg5) {
   let cakePrice = Number(arg1);
   let drinksPrice = Number(arg2);
   let animatorPrice = Number(arg3);
   let hallRental = Number(arg4);
   let budget = Number(arg5);

   cakePrice = hallRental * 0.20;
   drinksPrice = cakePrice - 0.45;
   animatorPrice = (1 * 2250) / 3;
   budget = hallRental + cakePrice + drinksPrice + animatorPrice;

   console.log(budget);
 }

 happyBirthday(2250);