A manufacturing firm, specialising in making widgets, has overhead expenses (wages, utilities etc) of
$150,000 per year.
It also costs $17 to make each widget in parts and labour. This is a variable cost.
a. If n widgets are produced each year, write a rule (equation) for the total costs "C",
(overheads plus variable costs) for the company to make 'n' widgets in a year.​