Output eachfloating$-$point value with two digits after the decimal point, which can be achieved as follows:

print$($f$\text{'}\{$your$-$value:$\mathrm{.}2$f$\}\text{'})$

$1)$ Prompt the user to input a food item name, price, and quantity. Hot dog, $$2,$ and $5.$ Output an itemized receipt.

$2)$ Extend the program to prompt the user for a second item. Ice cream, $$2\mathrm{.}50,$ and $4.$ Output and itemized receipt.

$3)$ Extend again to output a third receipt that adds a mandatory $15\%$ gratuity to the total cost. Output the total cost, the cost of gratuity, and the grand total.