T13-1 (similar to) Question Help Burlington Windows is a small company that installs windows. Its cost structure is as follows: Selling price from each window installation Variable cost of each window installation Annual fixed costs $ $ $ 750 700 155,000 Use (a) the equation method and (b) the contribution method to calculate operating income if Burlington installs 4,000 windows Use (a) the Equation method to calculate operating income if Burlington installs 4,000 windows. Begin by determining the formula to calculate the operating income using the equation method. Then, calculate the operating income. (Abbreviation used: FC = Fixed costs, SP = Selling price, VCU = Variable cost per unit, Q = Quantity of units sold.) = Operating income Choose from any list or enter any number in the input fields and then click Check Answer 1 part remaining Clear All Check