Consider the spreadsheet for Stone Age Surfboards provided below. Use this data to answer the following questions, 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 3 skilled workers, each of whom works 9.25 hours per day. The finishing department has 5 workers, each of whom warks a 12-hour shift per day. Each pair of Graystone surfboards requires 2.5 labor hours in the fabricacion 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 560 on the Leva model. The company anticipates selling at least twice as many Lava models as Graystone models. A B C D 1 Stone Age Surfboards 2 3 Data 4 Product 5 Department Graystone Lava Limitation (hours) 6 Fabrication 2.5 4.2 74 7 Finishing 2 3.6 60 S 8 9 9 Profit Unit $40,00 S60.00 10 Hours Used 12 Model 13 Graystone Lava 14 Quantity Produced 15 Fabrication 16 Finishing 17 18 19 Market Mixture 20 21 22 Profit Contribution What is the Allowable Decrease in the fabrication hours used? Excess Lava Total Profit 15.67 2.91