Q-23.Write a C program to input electricity unit charge and calculate the total electricity bill according to the given condition.

বিদ্যুৎ ইউনিট চার্জ ইনপুট এবং একটি মোট বিদ্যুৎ বিল হিসাব অনুযায়ী একটি সি প্রোগ্রাম লিখুন
প্রদত্ত অবস্থা |

1. int main()
2. {
3.     int unit; //declare variable unit
4.     //first we understand unit prize
5.     /*1 - 100 unit - 5/=
6.       101-200 unit -  7/=
7.       201-300 unit - 10/=
8.       above 300  - 15/=
9. for example*/
10.       printf("Enter total units consumed: ");
11.       scanf("%d",&unit);
12.       if(unit>0 && unit<=100){//when this statement is true
13.             printf("Bill amount is: ");
14.     printf("%d",unit*5);//this statement is Executed otherwise
15. }
16. else if(unit>100 && unit<=200){//when this statement is true
17.         printf("Bill amount is: ");
18.     printf("%d",(100*5)+(unit-100)*7);//this statement is Executed otherwise
19. }
20. else if(unit >200 && unit<=300){//when this statement is true
21.     printf("Bill amount is: ");
22.     printf("%d",(100*5)+(100*7)+(unit-200)*10);//this statement is Executed otherwise
23. }
24. else if(unit >300){//when all statements are false
25.     printf("Bill amount is: ");//consumed above 30 units
26.     printf("%d",(100*5)+(100*7)+(100*10)+(unit-300)*15);
27.     //this statement is Executed otherwise
28. }
29. else{//all statements are false
30.     printf("No charges");
31. }//this statement is executed
32. getch();
33.     return 0;
34. }

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