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In this tutorial, we will learn about how to create a program in C that will ask from user to enter cost price and selling price of any item to calculate and print profit or loss on that item.

// Find Profit and Loss in C // ----codescracker.com---- #include<stdio.h> #include<conio.h> int main() { float sp, cp, pf, ls; printf("Enter cost price: "); scanf("%f", &cp); printf("Enter selling price: "); scanf("%f", &sp); if(sp>cp) { pf = sp-cp; printf("Profit = %.2f", pf); } else if(cp>sp) { ls = cp-sp; printf("Loss = %.2f", ls); } else { printf("No profit and loss."); } getch(); return 0; }

As the above program was written under **Code::Blocks** IDE, therefore after successful build and run, here
is the snapshot of first sample run:

Now supply the value of cost and selling price say **1200** as cost price and **1450** as selling price and
press `ENTER`

key to see output, either in profit or in loss. As we have purchased the item in 1200 and
sold it in 1450, therefore we have made profit of 250 on that item. Here is the second snapshot of the sample run:

Now let's run the program second time. If cost price is less than the selling price, then we will earn the money as profit, otherwise if cost price is greater than the selling price, then we have loose the money as loss. Here is the snapshot of the sample run, in this case there is a loss of some money:

Let's check the above program with another sample run, that what will happen if cost price and selling price becomes equal:

- Receive value for cost price in any variable say
**cp** - Receive value for selling price in any variable say
**sp** - Use if-else statement to check whether
**sp**is greater than, less than, or equal to**cp** - If it is greater than
**cp**, it means we have made some profit:- Therefore the statement
**sp>cp**evaluates to be true, and program flow goes inside the**if**block and**sp-cp**will be initialized to**pf**(holds profit value) - Print the value of
**pf**(profit) as output. Here we have used the format specifier as**%.2f**to print the floating-point value upto its 2 decimal places only - For example, if user provide cost price as
**1200**and selling price as**1450**, then we have made profit of 250 which will be printed as output

- Therefore the statement
- And if it is less than
**cp**, it means we have made some loss:- Therefore the statement
**cp>sp**evaluates to be true, and program flow goes inside the**else if**block and**cp-sp**gets initialized to**ls**(holds loss value) - Print the value of
**ls**(loss) as output

- Therefore the statement
- And if it is equal to
**cp**, it means we have neither made profit nor made loss:- Therefore program flow goes inside
**else**block and**No profit and loss.**gets printed

- Therefore program flow goes inside

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