Solution
                             Yoste Company Noone Company
Sales revenue($100,000 + $5,000) Â Â Â Â Â Â $90,000 Â Â Â $105,000
Sales returns and allowances             ($6,000)     ($5,000)
Net sales                             $84,000  $100,000
Cost of goods sold($100,000 - $40,000) Â Â Â Â Â ($58,000) ($60,000)
Gross profit($84,000 - $58,000) Â Â Â Â Â Â Â Â Â Â Â Â $26,000 Â Â Â Â Â Â $40,000
Operating expenses($40,000 - $17,000) Â Â Â Â ($14,380) Â Â Â Â Â ($23,000)
Net income($26,000 - $14,380) Â Â Â Â Â Â Â Â Â Â Â Â Â $11,620 Â Â Â Â Â $17,000
Yoste Company :
Profit Margin Ratio = $11,620 divide by $84,000 = 13.83%
Gross Profit Rate = $26,000 divide by $84,000 = 30.95%
Noone Company:
Profit Margin Ratio = $17,000 divide by $100,000 = 17%
Gross Profit Rate = $40,000 divide by $100,000 = 40%