13. Roblox Company, which has only one product, has provided the following data concerning its most recent month of operations: . $120 100 .3,900 3,600 ....400 Selling price....... Units in beginning inventory......... Units produced Units sold............... Units in ending inventory.. Variable costs per unit: Direct materials... Direct labor............ Variable manufacturing overhead Variable selling and administrative....... Fixed costs: $31 $54 .... $5 .... $8 ject/Portfolio Fixed manufacturing overhead ....... Fixed selling and administrative............ $54,600 $21,600 The company produces the same number of units every month, although the sales in units vary from month to month. The company's variable costs per unit and total fixed costs have been constant from month to month. Required: a. What is the unit product cost for the month under variable costing? b. What is the unit product cost for the month under absorption costing? c. Prepare an income statement for the month using the contribution format/the variable costing method. d. Prepare an income statement for the month using the absorption costing method. e. Reconcile the variable costing and absorption costing net operating incomes for the month