Rapid Corporation sells its product for $218. Forecasted sales are $301,800 in January, $361,800 in February, and $321,800 in March. Variable costs are based on sales, and consist of commissions (7 percent of sales), cooperative advertising (3 percent of sales), and shipping (5 percent of sales). Monthly fixed costs are $7,900 sales salaries, $7,400 office salaries, $3,400 depreciation, $2,700 office rent, $1,350 insurance, and $1,650 utilities. Required Prepare Rapid's selling and administrative expense b