#include #include #include using namespace std; class DivSales { private: static double corpSales; double divSales; public: double qtrs[4]; DivSales() { divSales = 0.0; for (int i = 0; i < 4; i++) { qtrs[i] = 0.0; } } void setDivSales(double s) { divSales = s; corpSales += s; } double getDivSales() const { return divSales; } double getTotalSales() const { double total = 0.0; for (int i = 0; i < 4; i++) { total += qtrs[i]; } return total; } static double getCorpSales() { return corpSales; } friend istream& operator>>(istream& in, DivSales& ds) { double s; for (int i = 0; i < 4; i++) { in >> s; ds.qtrs[i] = s; ds.divSales += s; corpSales += s; } return in; } }; double DivSales::corpSales = 0.0; int main() { const int NUM_DIVISIONS = 6; DivSales divisions[NUM_DIVISIONS]; ifstream infile("SalesFile.txt"); for (int i = 0; i < NUM_DIVISIONS; i++) { infile >> divisions[i]; } int divisionNumber; bool quit = false; // Flag to control the loop while (!quit) { cout << "Enter division number (1-6), or 0 to quit: "; cin >> divisionNumber; if (divisionNumber == 0) { quit = true; // Set the flag to true to exit the loop } else if (divisionNumber < 1 || divisionNumber > NUM_DIVISIONS) { cout << "Invalid division number. Try again.\n"; } else { const int divisionIndex = divisionNumber - 1; cout << "Sales for division " << divisionNumber << ":\n"; for (int i = 0; i < 4; i++) { cout << "Division #" << divisionNumber << "\tQuarter " << (i + 1) << ": $" << fixed << setprecision(2) << divisions[divisionIndex].qtrs[i] << "\n"; } cout << "Division #" << divisionNumber << " total sales are: $" << fixed << setprecision(2) << divisions[divisionIndex].getTotalSales() << "\n"; } } cout << "Total corporation sales: $" << fixed << setprecision(2) << DivSales::getCorpSales() << "\n"; return 0; } How to prepare a test case/Multiple Test Cases document of the above program?.

1. #include
#include
#include
using namespace std;
class DivSales {
private:
static double corpSales;
double divSales;
public:
double qtrs[4];
DivSales() {
divSales = 0.0;
for (int i = 0; i < 4; i++) {
qtrs[i] = 0.0;
}
}
void setDivSales(double s) {
divSales = s;
corpSales += s;
}
double getDivSales() const {
return divSales;
}
double getTotalSales() const {
double total = 0.0;
for (int i = 0; i < 4; i++) {
total += qtrs[i];
}
return total;
}
static double getCorpSales() {
return corpSales;
}
friend istream& operator>>(istream& in, DivSales& ds) {
double s;

2. for (int i = 0; i < 4; i++) {
in >> s;
ds.qtrs[i] = s;
ds.divSales += s;
corpSales += s;
}
return in;
}
};
double DivSales::corpSales = 0.0;
int main() {
const int NUM_DIVISIONS = 6;
DivSales divisions[NUM_DIVISIONS];
ifstream infile("SalesFile.txt");
for (int i = 0; i < NUM_DIVISIONS; i++) {
infile >> divisions[i];
}
int divisionNumber;
bool quit = false; // Flag to control the loop
while (!quit) {
cout << "Enter division number (1-6), or 0 to quit: ";
cin >> divisionNumber;
if (divisionNumber == 0) {
quit = true; // Set the flag to true to exit the loop
} else if (divisionNumber < 1 || divisionNumber > NUM_DIVISIONS) {
cout << "Invalid division number. Try again.n";
} else {
const int divisionIndex = divisionNumber - 1;
cout << "Sales for division " << divisionNumber << ":n";
for (int i = 0; i < 4; i++) {
cout << "Division #" << divisionNumber << "tQuarter " << (i + 1) << ": $" << fixed
<< setprecision(2) << divisions[divisionIndex].qtrs[i] << "n";
}
cout << "Division #" << divisionNumber << " total sales are: $" << fixed <<
setprecision(2) << divisions[divisionIndex].getTotalSales() << "n";
}

3. }
cout << "Total corporation sales: $" << fixed << setprecision(2) << DivSales::getCorpSales()
<< "n";
return 0;
}
How to prepare a test case/Multiple Test Cases document of the above program?