A business operated at 100% of capacity during its first month and incurred the following costs:

Production costs (18,600 units):Direct materials$171,500Direct labor225,900Variable factory overhead263,400Fixed factory overhead 91,200 $752,000 Operating expenses:Variable operating expenses$131,000Fixed operating expenses48,400179,400

If 1,600 units remain unsold at the end of the month and sales total $1,008,000 for the month, what would be the amount of income from operations reported on the

variable costing income statement?

a.$133,390

b.$80,120

c.$64,688

d.$56,843