(1) Output a menu of automotive services and the corresponding cost of each service. (2 pts)Ex:Davy's auto shop servicesOil change -- $35Tire rotation -- $19Car wash -- $7Car wax -- $12(2) Prompt the user for two services. Each service type is composed of two strings. (2 pts)Ex:Select first service: Oil changeSelect second service: Car wax(3) Output an invoice for the services selected. Output the cost for each service and the total cost. (3 pts)Davy's auto shop invoiceService 1: Oil change, $35Service 2: Car wax, $12Total: $47(4) Extend the program to allow the user to enter a dash (-), which indicates no service. (3 pts)Ex:Select first service: Tire rotationSelect second service: -Davy's auto shop invoiceService 1: Tire rotation, $19Service 2: No serviceTotal: $19**THIS MUST BE IN THE C LANGUAGE**

Follows are the code to this question:

#include <stdio.h>//header file

#include <string.h>//header file

int main()//main method

{

char f_service[100], s_service[100];//defining character array

int total;//defining integer variable

do

{

   total = 0;//assign value in total variable

   printf("Davy's auto shop services\n");//print message

   printf("Oil change -------- $35\n");//print message

   printf("Tire rotation ------ $19\n");//print message

   printf("Car wash ---------- $7\n");//print message

   printf("Car wax ----------- $12\n");//print message

   printf("Enter first service: \n");//print message

   fgets(f_service, 100, stdin);//use get function for input value

   f_service[strlen(f_service) - 1] = '\0';//use length function for calculate total length

   printf("Enter second service: \n");//print message

   fgets(s_service, 100, stdin);//use get function for input value

   s_service[strlen(s_service) - 1] = '\0';//use length function for calculate total length

   printf("\nDavy's auto shop invoice\n\n");//print message

   if(strcmp(f_service, "Oil change") == 0)//defining if block that check first input Service

   {

     printf("Service 1: %s, $%d\n", f_service, 35);//print service name with rate

     total = total+ 35;//calcaulte value in total variable

   }

   else if(strcmp(f_service, "Tire rotation")== 0)

   {

     printf("Service 1: %s, $%d\n", f_service,19); //print service name with rate

     total = total + 19;//calcaulte value in total variable

   }

   else if(strcmp(f_service, "Car wash") == 0)

   {

     printf("Service 1: %s, $%d\n", f_service, 7);//print service name with rate

     total = total + 7;//calcaulte value in total variable

   }

   else if(strcmp(f_service, "Car wax") == 0)

   {

    printf("Service 1: %s, $%d\n", f_service, 12); //print service name with rate

     total = total + 12;//calcaulte value in total variable

   }

   else

   {

     printf("Service 1: Empty\n");//print message

   }

   if(strcmp(s_service, "Oil change") == 0)

   {

     printf("Service 2: %s, $%d\n", s_service, 35);//print service name with rate

     total= total+ 35;//calcaulte value in total variable

   }

   else if(strcmp(s_service, "Tire rotation")== 0)

   {

     printf("Service 2: %s, $%d\n", s_service, 19);//print service name with rate

     total = total + 19;//calcaulte value in total variable    

   }

   else if(strcmp(s_service, "Car wash") == 0)

   {

   printf("Service 2: %s, $%d\n", s_service, 7);//print service name with rate

   total = total + 7;//calcaulte value in total variable

   }

   else if(strcmp(s_service, "Car wax") == 0)

   {

   printf("Service 2: %s, $%d\n", s_service, 12);//print service name with rate

   total= total+ 12;//calcaulte value in total variable

   }

   else if(strcmp(s_service, " ") == 0)

   {

   printf("Service 2: No service\n");//print service name with rate

   }

   else

   {

   printf("Service 2:No service\n");//print message

   }

   printf("Total: $%d\n", total);//print total value

   }

   while(strcmp(s_service, "_"));//defining while that compare second service value

return 0;

}

Output:

Please find the attached file.

Explanation:

In the given C language code, the two-character array "f_service and s_service" and one integer variable "total" is declared, in which character array is used for user input, and the total is used for calculating value.

answer; its the top layer;

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