Complete the following program that reads rain fall in inches per hour. You are asked to write the definition of a function RFO that computes rainfall from inches to millimeter, where 1 inch = 25.4 millimeters, then determine the type of rainfall using below table. Type Rain Fall Drizle below 20mm Shower below 70mm Thunder Storm above 70 #include #include using namespace std; string RF(double); int main() { double rainfall; cout>rainfall; cout