For April, sales revenue is $700,000; sales commissions are 5% of sales; the sales manager's salary is $98,000; advertising expenses are $90,000; shipping expenses total 2% of sales; and miscellaneous selling expenses are $2,100 plus 1/2 of 1% of sales. Total selling expenses for the month of April are:_______. a) $159,100 b) $186,000 c) $182,100 d) $242,600