Yang Corporation recently computed total product costs of $586,000 and total period costs of $500,000, excluding $43,000 of sales commissions that were overlooked by the company's administrative assistant. On the basis of this information, Yang's income statement should reveal operating expenses of:

A. $43,000.

B. $500,000.

C. $543,000.

D. $586,000.

E. $629,000.