Suppose $304 is deposited at the end of every month into an account earning 10.5% per annum compounded annually. If the balance in the account is to be $17,300, how many deposits are needed? The number of deposits needed is Suppose $304 is deposited at the end of every month into an account earning 10.5% per annum compounded annually. If the balance in the account is to be $17,300, how many deposits are needed? The number of deposits needed is