//Exercise 3
#include <stdio.h>
int main( void )
{//function main begings
    int s, p; //declaring variables
    double sales[4][5]; //declaring 2d array
    double total[5] = {0,0,0,0,0};//declaring 1d array

    for( s = 0 ; s < 4 ; ++s ){//for loop for get inputs begings

        printf( "Sales Person %d \n", s+1 );

        for( p = 0 ; p < 5 ; ++p ){

            printf( "Product Number %d\n", p+1 );
            printf( "Input total dollar value of that product sold that day : ");
            scanf( "%lf", &sales[s][p]);


        }
        printf( "\n" );
    }//for loop for get inputs ends

    for( p =0 ; p<5 ; ++p ){//for loop for cal total begings

        for( s=0 ; s<4 ; ++s ){

            total[p] = total[p] + sales[s][p];

        }

        printf( "Product %d Total sales : %.2f", p+1, total[p]);
        printf("\n" );
    }//for loop for cal total ends


return 0;
}//end of the main function