Rhiannon Corporation has bonds on the market with 13.5 years to maturity, a YTM of 7.4 percent, a par value of $1,000, and a current price of $1,059. The bonds make semiannual payments. What must the coupon rate be on these bonds?

Aaron corporation, which has only one product, has provided the following data concerning its most recent month of operations: selling price $ 102 units in beginning inventory 0 units produced 4,900 units sold 4,260 units in ending inventory 640 variable costs per unit: direct materials $ 20 direct labor $ 41 variable manufacturing overhead $ 5 variable selling and administrative expense $ 4 fixed costs: fixed manufacturing overhead $ 64,200 fixed selling and administrative expense $ 2,900 the total contribution margin for the month under variable costing is: