Use this information for Timmer Corporation to answer the question that follow.

Timmer Corporation just started business in January. There were no beginning inventories. During the year, it manufactured 11,400 units of product and sold 8,400 units. The selling price of each unit was $27. Variable manufacturing costs were $6 per unit, and variable selling and administrative costs were $1 per unit. Fixed manufacturing costs were $22,800 and fixed selling and administrative costs were $8,900.

What would Timmer's net income be for the year using variable costing?

a.$136,300

b.$109,040

c.$168,000

d.$145,200