Finland Co. prepares monthly income statements. A physical inventory is taken only at year end; hence, month-end inventories must be estimated. All sales are made on account. The rate of markup on cost is 50%. The following information relates to the month of June:

Accounts receivable, June 1 $20,000
Accounts receivable, June 30 30,000
Collection of accounts receivable during June 50,000
Inventory, June 1 36,000
Purchases of inventory during June 32,000

The estimated cost of the June 30 inventory is

A. $24,000
B. $28,000
C. $38,000
D. $44,000

Kubin company’s relevant range of production is 18,000 to 22,000 units. when it produces and sells 20,000 units, its average costs per unit are as follows: average cost per unit direct materials $ 7.00 direct labor $ 4.00 variable manufacturing overhead $ 1.50 fixed manufacturing overhead $ 5.00 fixed selling expense $ 3.50 fixed administrative expense $ 2.50 sales commissions $ 1.00 variable administrative expense $ 0.50 required: 1. for financial accounting purposes, what is the total amount of product costs incurred to make 20,000 units? 2. for financial accounting purposes, what is the total amount of period costs incurred to sell 20,000 units? 3. for financial accounting purposes, what is the total amount of product costs incurred to make 22,000 units? 4. for financial accounting purposes, what is the total amount of period costs incurred to sell 18,000 units?