=1.2. Refer to Problem 1.1. A sales forecast has been obtained that indicates that 4,000 units of the new product could be sold. This forecast is considered to be quite reliable, but there is considerable uncertainty about the accuracy of the estimates given for the leasing cost, the marginal production cost, and the unit revenue.

Use the Break-Even Analysis module in the Interactive Management Science Modules to perform the following sensitivity analysis on these estimates.