C :: Inventory Program - Entering Amounts With Two Decimal Places

So my inventory program runs fine as far as I can tell. Except when entering "Amounts" with more that 1-precision . ie

Amount Entered : 25.99 // Problem
Amount Entered : 25.9 // No Problem

When entering say 25.99, the rest of the file is jibberish. but 25.9, the rest of the file is fine

Code:
#include <stdio.h>
typedef struct toolRecord{
int record_num;
char tool_name[16];
int quantity;
double price;

[Code] .....