(13)Write a Program to enter electronics util and total bill use following condition in Cpp

Unit        Rate        Perunit

100         0              50-0

200         1              150-50

300         2              250-200

400         3              350-450

500         4              450-800

>500       5              550-1250

vProgram

#include<iostream.h> #include<conio.h> void main() {   int unit,tot;   clrscr();   cout<<"\n\t\t Enter Unit:";   cin>>unit;   if(unit>500)   {     tot=(unit-500)*5+1000;    }    else if(unit>400)    {      tot=(unit-400)*4+600;    }    else if(unit>300)    {      tot=(unit-300)*3+300;    }    else if(unit>200)    {     tot=(unit-200)*2+100;    }    else if(unit>100)    {      tot=(unit-100)*1;    }    else    {      tot=0;    }    cout<<"\n\t\t Your Total Bill Is:"<<tot;    getch();    }

vOutput

Enter Unit:200 Your Total bill Is:100