a. Under variable costing, the unit product cost for the month is $51 ($24 + $27).
b. The preparation of the contribution-format Income Statement for the month under variable costing is as follows:
Sales revenue $483,600 (5,200 x $93)
Cost of goods sold 265,200 (5,200 x $51)
Contribution margin $218,400
c. The absorption costing net operating income for the month is still $218,400 since the fixed cost is not given.
Selling price = $93
Units in beginning inventory = 0
Units produced = 5,400
Units sold = 5,200
Units in ending inventory = 200 (5,400 - 5,200)
Direct materials = $24
Direct labor = $27
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