Consider the spreadsheet for Stone Age Surfboards provided below. Use this data to answer the following question(s), using the Standard Solver. Stone Age Surfboards is a small manufacturer of two types of popular low-tide surfboards, the Graystone and the Lava models. The manufacturing process consists of two departments: fabrication and finishing. The fabrication department has 8 skilled workers, each of whom works 9.25 hours per day. The finishing department has 5 workers, each of whom works a 6-hour shift per day. Each pair of Graystone surfboards requires 2.5 labor hours in the fabrication department and 2 labor hours in finishing. The Lava model requires 4.2 labor-hours in fabrication and 3.6 labor-hours in finishing. The company operates 6 days a week. It makes a per unit profit of $40 on the Graystone model and $60 on the Lava model. The company anticipates selling at least twice as many Lava models as Graystone models.

What will be the total profit contribution from Lava surfboards?

		$521.74
		$130.43
		$276.65
		$391.30

1Stone Age Surfboards 3 Data Product 5 Department 6 Fabrication 7 Finishin Graystone Lava 2.5 4.2 3.6 Limitation (hours) 74 30 9 Profit/Unit S40.00 $60.00 12Model Graystone Lava ntity Produced Hours Used 14 15 Fabrication 16Finishin 17 Excess Lava 19 Market Mixture 20 21 22 Profit Contribution Total Profit