PROBLEM 1 Use the following information to answer questions a. and . A company provides the following information about the total amount of a mixed cost for each month along with the number of units produced in each month. Month Cost Units produced January $580,000 50,000 February $660,000 60,000 March $550,000 45,000 April $720,000 65,000 May $540,000 46,000 a. Using the high-low method of cost estimation, what is the variable cost per unit? b. Using the high-low method of cost estimation, what is the fixed cost in total