Anna which has only one product, has provided the following data concerning its first month of operations:

Selling price $$100$

Units produced $6,000$

Units sold $5,500$

Variable product costs per unit $$50$

Variable selling and administrative costs per unit $$10$

Fixed manufacturing costs $$90,000$

Fixed selling and administrative costs $$55,000$

Required:

a$.$ What is the value of ending inventory using the variable costing method?

b$.$ What is the value of ending inventory using the absorption costing method?

c$.$ What is the contribution margin per unit?

d$.$ Prepare a monthly variable costing income statement $($assume no taxes$).$

e$.$ What is the gross profit margin per unit?

f$.$ Prepare a monthly absorption costing income statement $($assume no taxes$).$