#include #include using namespace std; //NAME constants - residential customers const double RES_BILL_PROC_FEES=4.50; const double RES_BASIC_SERV_COST=20.50; const double RES_COST_PREM_CHANNEL=7.50; //name consttants - business customers const double BUS_BILL_PROC_FEES = 15.00; const double BUS_BASIC_SERV_COST =75.00; const double BUS__BASIC_CONN_COST=5.00; const double BUS_COST_PREM_CHENNEL= 50.00; double residential ();//function prototype double business(); //function prototype int main() { int accountNumber; char customerType; double amoutDue; cout << fixed<< showpoint; cout<< setprecision(2); cout <<"this program computes a cable bill." <> accountNumber; cout << endl; cout << " enter customer type: R, r " <<" (residential), B,b (business): "; cin>>customerType; cout << endl; switch (customerType){ case 'r': case 'R': amoutDue = residential(); cout << "Account Number = " << accountNumber << endl; cout << "Amount due = $" << amoutDue << endl; break; case 'b': case 'B': amoutDue = business (); cout <<"Account Number = " << accountNumber << endl; cout <<"Amount Due = $" << amoutDue << endl; break; default: cout << " Invalid customer type. " << endl; } return 0; } double residential(){ int noOfPChannels; double bAmount; cout << "enter the Number of premium " << "channels used: "; cin >> noOfPChannels; bAmount = RES_BILL_PROC_FEES + RES_BASIC_SERV_COST + noOfPChannels * RES_COST_PREM_CHANNEL; return bAmount; } double business(){ int noOfBasicServiceConnections; int noOfPChannels; double bAmount; cout << "enter the Number of basic " << " service connedtions: "; cin >> noOfBasicServiceConnections; cout<> noOfPChannels; cout << endl; if (noOfBasicServiceConnections <=10) bAmount = BUS_BILL_PROC_FEES + BUS_BASIC_SERV_COST + noOfPChannels * BUS_COST_PREM_CHENNEL; else bAmount = BUS_BILL_PROC_FEES + BUS_BASIC_SERV_COST +(noOfBasicServiceConnections -10)* BUS__BASIC_CONN_COST + noOfPChannels * BUS_COST_PREM_CHENNEL; return bAmount; }

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