Given the Following Program, Which Line(s) Cause(s) Output to Be $\quad$

Multiple Choice

Given the following program, which line(s) cause(s) output to be displayed on the screen?
1 // This program displays my gross wages.
2 // I worked 40 hours and I make $20.00 per hour.
3 #include <iostream>
4 using namespace std;
5
6 int main()
7 {
8 $\quad$ int hours;
9 $\quad$ double payRate, grossPay;
10
11 $\quad$ hours = 40;
12 $\quad$ payRate = 20.0;
13 $\quad$ grossPay = hours * payRate;
14 $\quad$ cout << "My gross pay is $" << grossPay << endl;
15 $\quad$ return 0;
16 }

A) lines 13 and 14
B) lines 8 and 9
C) line 14
D) lines 14 and 15
E) line 15