i) ii) Some essential commands are missing in beginning of the following program. Complete the following program and write down the missing commands. Let Number 1, Number 2, and Number 3 that user enter from keyboard are 25, 17.2 and 1.2 respectively. Write down all the expected output of the following program. Show your works in details. int main() ( double a, b, c, Total-5.0%; cout < < "Enter Number 1:" < < endl; cin >> a; cout < < "Enter Number 2:" < < endl; cin >> b; cout>>"Enter Number 3:" < < endl; cin >> c; if (!(a--201 lb