Determine the sensitivity range for each constraint

A company sells two products with information as follows

A B Sales price per unit $12.00 $24.00 Variable cost per unit $10.00 $12.00 The products are machine made. Four units of product A can be made with one machine hour and two units of product B can be made with one machine hour. The company has a maximum of 6,000 machine hours available per month. The company can sell up to 18,000 units of product A per month, and up to 3,000 units of product B for the month. What is the optimum product mix to maximize company's operating income? A) 1,500 units of A and 72,000 units of B B) 18,000 units of A and 3,000 units of B C) zero units of A and 3,000 units of B D) 36,000 units of A and zero units of B

Normal expenditures for repairs and maintenance to plant and equipment are accounted for by

a. debiting Equipment and crediting Cash and Supplies Inventory. b. debiting Repairs Expense and crediting Cash and Supplies Inventory. c. debiting Cash and Supplies Inventory and crediting Repairs Expense. d. debiting Cash and Supplies Inventory and crediting Equipment.