For February, sales revenue is $570,000, sales commissions are 6% of sales, the sales manager's salary is $82,400, advertising expenses are $89,500, shipping expenses total 4% of sale, and miscellaneous selling expenses are $2,700 plus 1/2 of 1% of sales. Total selling expenses for the month of February are a.$234,450 b.$174,600 c.$208,800 d.$231,600