Incomplete Data on Sales. The following information pertains to merchandise purchased by Westwood Plumbing Co. for July, August, September, and October. During any month, 60 percent of the merchandise...

Incomplete Data on Sales. The following information pertains to merchandise purchased by Westwood Plumbing Co. for July, August, September, and October. During any month, 60 percent of the merchandise to be sold in the following month is purchased. The balance of the merchandise is purchased during the month of sale. Gross margin averages 20 percent of sales.

Purchases

For the Following Month              For the Current Month

July                                        $87,000                                $92,000

August                                  $96,000                                 $100,000

September                         $120,000                             $89,000

October                               $110,000                             $92,000

Estimate the sales revenue for August, September, and October.