i need help with this practice problem managerial accounting.

The following information relates to a company with a relevant range of activity from 2,000 to 8,000 units. They are currently producing and selling 4,900 units. The average cost per unit is $5.90 for direct materials: $3.80 for direct labor; and $1.50 for variable manufacturing overhead. The average fixed cost per unit is $4.40 for fixed manufacturing overhead; 8.65 for fixed selling expenses and 5.50 for fixed administrative expenses. Variable selling expenses are $0.40 per unit and variable administrative expenses are $ 0.40 per unit. Required: (For questions a.-d. assume that 5,900 units are produced and sold.) a. Calculate the variable cost per unit sold. (Round "Per unit" answer to 2 decimal places.) b. Calculate the total amount of variable cost for the units sold. c. Calculate the average fixed manufacturing cost per unit produced. (Round "Per unit" answer to 2 decimal places.) d. Calculate the total amount of fixed manufacturing costs. e. Calculate the incremental manufacturing cost the company will incur if production increases from 4,900 to 4,901 units. (Round "Per unit answer to 2 decimal places.) a. Variable cost per unit sold for 5,900 units b. Total variable costs for 5,900 units Average foxed manufacturing cost for 5.900 units d Totalfixed manufacturing overhead cost for 5.900 units e Incremental manufacturing cost C