3 requirements! question on the top pictures!

Requirements Using the high-low method, answer the following questions: 1. What is the variable utilities cost per machine hour? 2. What is the fixed cost of utilities each month? 3. If Jackson Company uses 1,280 machine hours in a month, what will its total costs be? Requirement 1. What is the variable utilities cost per machine hour? Let's begin by determining the formula that is used to calculate the variable cost (slope). = Variable cost (slope) Month Total Cost Machine Hours 3,200 1,000 January . . . . . . $ February . . . . . $ March . . . . $ 3,700 1.150 3,500 1,075 $ 3,780 1,200 April. .... May .... $ 4,000 1,350 June $ 4,300 1,400