Betty's Fabrics sold merchandise for $171,000 cash during the month of July. Returns that month totaled $3,600. If the company's gross profit rate is 40%, Betty will report monthly net sales revenue and cost of goods sold of O $167,400 and $100,440. O $171,000 and $100,440. O $171.000 and $102.600. O $167,400 and $66,960