I need to make this code have modular functions such as function prototype, function definition and function calling. It needs to remain a switch type code   #include using namespace std; int main()     {         int mealPlan;         int semester;     cout<<"University meal plan options : " <>mealPlan;     cout << endl;     cout<<"Select how many semesters you would like to have this plan: ";     cin>>semester;     cout << endl;     switch(mealPlan) {         case 1:         cout<<"The total cost for Plan #"<

I need to make this code have modular functions such as function prototype, function definition and function calling. It needs to remain a switch type code

#include <iostream>
using namespace std;
int main()
    {
        int mealPlan;
        int semester;
    cout<<"University meal plan options : " <<endl;
    cout << "Plan 1: 7 Meals per week for $560 per semester" <<endl;
    cout << "Plan 2: 14 meals per week for $ 1,095 per semester" <<endl;
    cout << "Plan 3: Unlimited meals for $ 1,500 per semester"<<endl;
    cout << endl;
    cout<<"Select a which plan you would like: ";
    cin>>mealPlan;
    cout << endl;
    cout<<"Select how many semesters you would like to have this plan: ";
    cin>>semester;
    cout << endl;

    switch(mealPlan)
{
        case 1:
        cout<<"The total cost for Plan #"<<mealPlan<<" for "<<semester<<" semesters will be: $"<<(560*semester);
        cout <<endl;
    break;
    case 2:
        cout<<"Total cost for Plan #"<<mealPlan<<" for "<<semester<<" semesters will be: $"<<(1095*semester);
        cout << endl;
    break;
    case 3:
        cout<<"Total cost for Plan #"<<mealPlan<<" for "<<semester<<" semesters will be: $"<<(1500*semester);
        cout << endl;
    break;

}
return 0;
}