Marthas Quilt Shop sells homemade quilts. Martha buys the quilts from local artisans for $300 each and sells them in her shop for $500 each. Martha pays a sales commission of 4% of sales revenue to her sales staff. Martha pays $6,000 in rent each month and pays $1,900 per month in payroll expenses in addition to the sales commissions. Martha sold 250 quilts in March. What is Marthas Quilt Shops gross margin for March? $42,100 $45,000 $37,100 $50,000