South Carolina has a sales tax of $7\mathrm{.}43\%$; that is$,$ for cach dollar spent in a store in these states $,$the law says that you must pay a tax of approximately $7$ cents, or $$0\mathrm{.}07.$

$28.$ Create a function based on the total price based on the total dollar amount purchased.

$29.$ Is Total Price and$/$or Purchase Amount an: Input and$/$or output? Independent and$/$or dependent variable? Explain

$30.$ Evaluate the following inputs: $10,25\mathrm{.}50,44\mathrm{.}44,$ and explain what cach outcome represents in a complete sentence. Be sure to include the inputs as part of your final answer.