#include "franca.h" //c3sale2.cpp

// Program to implement a point of sale terminal

//

// gets tax information

// Reads item prices

// totals each sale

// computes change

//

// keeps daily total

float getitem(Box display)

{

float total=0;

for(int item=1;yesno("another item?");item++)

{

total=total+ask("Enter item price:");

display.say(total);

}

return total;

}

void mainprog()

{

Box Cur_total("Current total");

Box Saletotal("Total Sale:"),Amount("Tendered:");

Box Change("Change due:");

float tax,amount,price,saletotal,dailytotal,change;

dailytotal=0;

tax=ask("Enter the sale tax %")/100.;

for (int customer=1;yesno("Is there another customer?");customer++)

{

// start a sale

saletotal=0;

amount=0;

change=0;

Saletotal.say(saletotal);

Amount.say(amount);

Change.say(change);

saletotal=getitem(Cur_total)*(1+tax);

Saletotal.say(saletotal);

amount=ask("Enter amount tendered:");

Amount.say(amount);

change=amount-saletotal;

Change.say(change);

}

}