For February, sales revenue is $583,000, sales commissions are 6% of sales, the sales manager's salary is $93,900, advertising expenses are $94,400, shipping expenses total 4% of sale, and miscellaneous selling expenses are $2,100 plus 1/2 of 1% of sales. Total selling expenses for the month of February are Oa. $225,380 Ob. $248,700 Oc. $251,615 Od. d. $190,400