/*********************************************************************
*
* Description: This program asks for the length of a phone call
*               and computes the cost.
*
*
* Input: Integer representing the length of the call in minutes.
*
* Output: Cost of call.
*
* Written by:  Jody DeRidder                   Date: 6/10/99
*
*********************************************************************/

#include<stdio.h>
main()   
{
int time;
float cost;
printf("Input your call time in minutes.\n");
scanf("%d", &time);   
printf("[%d]\n", time);  /** Input echoed to screen **/
cost=(time*.44)+.29;     /** Computes cost **/
if (time > 30)
    {cost==cost*.90;}   /** Gives discount for over 30 minutes **/

printf("Your call costs $%.2f.\n", cost);
}