Question

Question 1 CSEB113 Write a program to create customer's bill for an electrical appliance company. Assume the company sells only three different products: TV, VCR and CD player. The unit prices are RM3000, RM500 and RM300 respectively. The program must read the quantity of each piece of the items purchased from the user. It then calculates the cost of each item, the subtotal and the total cost after an 6% of GST. Your program must use the following functions, given the prototypes as below: float subtotal_TV (int); • receives quantity and returns subtotal for TV. float subtotal_VCR (int); • receives quantity and returns subtotal for VCR. float subtotal_CD (int); • receives quantity and returns subtotal for CD player void display_total (float); • receives total amount (before tax), and display tax amount and total amount (after tax). Sample run of the program (text in bold are user input): Enter quantity for TV: 1 Enter quantity for VCR: 2 Enter quantity for CD Player: 1 OTY 1 DESCRIPTION TV VCR CD PLAYER UNIT PRICE 3000.00 500.00 300.00 TOTAL PRICE 3000.00 1000.00 300.00 2 SUBTOTAL (RM) GST RM) TOTAL (RM) 4300.00 258.00 4558.00 Thank you! [20 marks]

{Please, I need the solution by ( C cood ) not C++ }

Answer 1

/**********************************item.c**************************************/

#include<stdio.h>
#define TV_COST 3000.00
#define VCR_COST 500.00
#define CD_COST 300.00
float subtotal_TV(int);
float subtotal_VCR(int);
float subtotal_CD(int);
int main(){
   //variable to store qty
   int qtyTV,qtyVCR,qtyCD;
   //variable to store subtotal of each item
   float subtotalTV,subtotalVCR,subtotalCD;
   //prompt for quantity
   printf("Enter quantity for TV: ");
   scanf("%d",&qtyTV);
   printf("Enter quantity for VCR: ");
   scanf("%d",&qtyVCR);
   printf("Enter quantity for CD player: ");
   scanf("%d",&qtyCD);
   //calling and get subtotal for tv
   subtotalTV = subtotal_TV(qtyTV);
   //calling and get subtotal for vcr
   subtotalVCR = subtotal_VCR(qtyVCR);
   //calling and get subtotal for cd
   subtotalCD = subtotal_CD(qtyCD);
   //calculate subtotal
   float subtotal = subtotalTV+subtotalVCR+subtotalCD;
   //calculate gst
   float gst = subtotal*.06;
   //calculate total
   float total = subtotal+gst;
   //print information
   printf("QTY\tDESCRIPTION\tUNIT PRICE\tTOTAL PRICE\n");
   printf("%d\t TV\t\t %.2f\t%.2f\n",qtyTV,TV_COST,subtotalTV);
   printf("%d\t VCR\t\t %.2f\t\t%.2f\n",qtyVCR,VCR_COST,subtotalVCR);
   printf("%d\t CD\t\t %.2f\t\t%.2f\n",qtyCD,CD_COST,subtotalCD);
   //print total bill
   printf("SUBTOTAL (RM)\t\t\t\t%.2f\n",subtotal);
   printf("GST (RM)\t\t\t\t%.2f\n",gst);
   printf("TOTAL (RM)\t\t\t\t%.2f\n\n",total);
   printf("Thank you!");
   return 0;
}
//function subtotal_TV
float subtotal_TV(int qty){
  
   return TV_COST*qty;
}
//funtion subtotal_VCR
float subtotal_VCR(int qty){
  
   return VCR_COST*qty;
}
//function subtotal_CD
float subtotal_CD(int qty){
  
   return CD_COST*qty;
}

/******************************output********************************/

Enter quantity for TV: 1
Enter quantity for VCR: 2
Enter quantity for CD player: 1
QTY DESCRIPTION UNIT PRICE TOTAL PRICE
1 TV 3000.00 3000.00
2 VCR 500.00 1000.00
1 CD 300.00 300.00
SUBTOTAL (RM) 4300.00
GST (RM) 258.00
TOTAL (RM) 4558.00

Thank you!
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Please let me know if you have any doubt or modify the answer, Thanks :)