c$++5\mathrm{.}5\mathrm{.}3$: Functions with branches.

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Define a function FindPrice$()$ that takes one integer parameter as the number of people attending a dinner, and returns the menu's price as an integer. The menu's price is returned as follows:

If the number of people is more than $400,$ menu price is $$48.$

If the number of people is between $300$ and $400$ inclusive, menu price is $$57.$

Otherwise, menu price is $$79.$

Ex: If the input is $405,$ then the output is:

$48$