During Chester company's first year of operations, the company reported its net operating income as follows:

Year 1

Sales(@23 per unit) 690,000

Cost of goods sold (@16 per unit). 480,0000

Gross margin 210000

Selling and administrative expenses(2 per

unit variable, 40000 fixed each year) 100000

Net operating income 110000

The company's 16 unit product cost is computed as follows:

Direct materials .........................$5

Direct labor.................................2

Variable manufacturing overhead 1

Fixed manufacturing overh....(240000+30000 units)....8

Unit product cost .........................................................$16

What is the company's total contribution margin for year 1?

A. 210000

B. 330000

C. 390000

D. 360000

E. none of above