C中的二维数组？使用2D数组处理

I am writing a program using a 2D array. The user inputs 5 original price values and 5 discount rates for each price. I have the input figured out but I do not understand how to execute the process for a 2D array. I need to figure out the sales price for each original price. My process is:I am writing a program using a 2D array. The us