2) Glass House Manufacturing currently produces 1,000 glasses per month. The following per unit data for thousand apply for sales to regular customers: $250 40 Variable manufacturing overhead 70 Fixed manufacturing overhead 50 Total manufacturing costs 410 Direct materials Direct manufacturing labor The plant has capacity for 2,000 glasses. Plant supervisor's salary is $15,000. Required: a. What is the total cost of producing 1,000 glasses? b. What is the total cost of producing 1,500 glasses? c. What is the per unit cost when producing 1,500 glasses