Table 5-2. Jane's Dress Emporium Category Cost Rent Utilities Insurance Salaries Sales Cost of Goods Payment Period Cost Monthly $1,500 Monthly 400 Quarterly 300 Monthly 5,000 Monthly 25,000 Monthly 12,000 Refer to Table 5-2. Jane's contribution margin is a. 48%. b. 0.52%. c. 0.48%. Od. 52%