Question: Yoko Limited had the following information (in millions of yen) for a given period:
Direct labor 140
Variable factory overhead 60
Sales ¥870
Direct materials 290
Variable selling and administrative expenses 100
Fixed factory overhead 120
Fixed selling and administrative expenses 45
There was no starting or ending inventories.
[A] Calculate Variable manufacturing cost of Goods sold
[B] Calculate contribution margin, and
[C] Calculate operating income