How do you display the characters \ and "?

Hi currently need help with editing this code. My professor said my code needs to have if, if-else, and if-else if statements in it. From what it looks like I'm missing if-else-if statements in my code. I need help with editing the code with if-else-if statements including any other "if or if-else" if needed in the code. I provided pictures of the code instructions and how the output and input validation needs to look. here's the code I currently have: #include <iostream>#include <string>#include <cmath>using namespace std;int main(){//variables and constantsint packageType;double dataUsed;double monthlyCharges = 0.0; // Name of the programcout << "iMobile Bill Calculator ..." << endl; // Display the pacakge options for user to pick while (true) {cout << "\nSelect a subscription :" << endl;;cout << "\t\t1. Package A" << endl;cout << "\t\t2. Package B" << endl;cout << "\t\t3. Package C" << endl;cout <<…

Need help on this question and can you explain how as well?

use kotlin to write a code that displays measurements of watts in a chart.