Allocating Joint Costs Using the Constant Gross Margin Method Refer to Cornerstone Exercise 7.10 . (Round percentages to four signi?cant digits and cost allocations to the nearest dollar.) Required: 1. Calculate the total revenue, total costs, and total gross pro ? t the company will earn on thesale of L-Ten, Triol, and Pioze.2. Allocate the joint cost to L-Ten, Triol, and Pioze using the constant gross margin percent-age method.3. What if it cost $2 to process each gallon of Triol beyond the split-off point? How would that affect the allocation of joint cost to these three products?