Modify the pervious program you wrote (to calculate
the amount due for a purchase) as follows:
If you used an outer while loop,
change it to a do - while (and vice versa). You do not need to
change the inner do-while for handling the Taxable
question.
Code the prototype and definition of an internal function named SetFixed2(
) that accepts no arguments and returns no value. The function must send the
appropriate values to the output stream specifying that all floating-point numbers are to
display with two fixed decimal places. You need to call this function from inside your main(
) function.
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