For February, sales revenue is $570,000, sales commissions are 4% of sales, the sales manager's salary is $82,400, advertising expenses are $81,000, shipping expenses total 3% of sales, and miscellaneous selling expenses are $3,000 plus V of 1% of sales. Total selling expenses for the month of February are Oa. $206.300 Ob. $189,200 Oc. $209,150 Od. $166,400