Whispering Winds Windows Inc is in the process of setting a target price on its newly designed tinted window. Cost data relating to the window at a budgeted volume of $4,480$ units are as follows.

Whispering Winds Windows uses cost$-$plus pricing methods that are designed to provide the company with a $25\%$ ROI on its tinted window line. A total of $$1,137,920$ in assets is committed to production of the new tinted window:

$($a$)$

$($b$).$

$($d$)$ Compute the target price of the window under variable$-$cost pricing

Target price

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