Tiny Toons Distributes Cartoon DVDs That Sell for $12 Each

Tiny Toons distributes cartoon DVDs that sell for $12 each.Tiny Toons pays $7 per DVD to buy the product.Selling costs of $1 per unit are incurred to deliver the DVDs to the customer.This is paid in cash when the product is sold.Tiny Toons has $50,000 per month in fixed selling and administrative expenses (including $3,000 in depreciation) , which are paid half in the month incurred and half in the next month.It is Tiny's policy to maintain an inventory at the end of each month equal to 30% of the next month's projected unit sales.
Tiny Toons makes 30% of sales in cash, and the remainder are on credit.Credit sales are collected in the month after sale.Budgeted monthly sales for the first five months of 2017 are: $$\begin{array} { l l } \text { January } & 20,000 \text { units } \\\text { February } & 22,000 \text { units } \\\text { March } & 26,000 \text { units } \\\text { April } & 28,000 \text { units } \\\text { May } & 40,000 \text { units }\end{array}$$
How much is budgeted income for March using variable costing?

A) $312,000
B) $54,000
C) $57,000
D) $104,000