// Start

// Declarations

// num amount

// num newAmount

// num interestRate

// output "Please enter the dollar amount. "

// input amount

// output "Please enter the interest rate(e.g., nine percet should be entered as 9.0). "

// input interestRate

// newAmount = FutureValue(amount,interestRate)

// output "The new dollar amount is ", newAmount

// Stop

//

//

//

// num FutureValue(num initialAmount, num interestRate)

// Declarations

// num finalAmount

// finalAmount = (1 + interestRate/100) * initialAmount

// return finalAmount

How many variables are required for the main program (i.e., do not consider the function/method)?