Heritage Watercraft makes reproductions of classic wooden boats. The bottleneck in the production process is fitting wooden planks to build up the curved sections of the hull. This process requires the attention of the shops most experienced craftsman. A total of 3,600 hours is available per year in this bottleneck operation. Data concerning the companys four products appear below: Adirondack Lake Huron Oysterman Voyageur Unit contribution margin $1,190 $1,068 $616 $970 Annual demand (units) 100 100 90 140 Hours required in the bottleneck operation per unit 10 12 8 10 No fixed costs could be avoided by modifying how many units are produced of any product or even by dropping any one of the products. Required: 1a. Calculate the total hours required in the bottleneck operation to satisfy demand for all the products.

2a. Rank the profitability of each product line for the year based on the profitability index.

2b. What is the optimal production plan for the year?

3. What would be the total contribution margin for the optimal production plan you have proposed?