Chapter $2$: Programming Project $1$

Unlimited tries

$($Financial application: calculate tips$)$

Write a program that reads the subtotal and the gratuity rate, then computes the gratuity and total.

For example, if the user enters $10$ for subtotal and $15\%$ for gratuity rate, the program displays $$1\mathrm{.}5$ as gratuity and $$11\mathrm{.}5$ as total.