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 560 on the Lava model. The company anticipates selling at least twice as many Lava models as Graystone models. B D A 1 Stone Age Surfboards 2 3 Data 4 5 Department 6 Fabrication 7 Finishing 8 9 Profit Unit 10 Product Graystone Lava 2.5 4.2 2 3.6 Limitation (hours) 74 30 S40.00 $60.00 Graystone Lava Hours Used 12 Model 13 14 Quantity Produced 15 Fabrication 16 Finishing 17 18 19 Market Mixture 20 21 22 Profit Contribution Excess Lava Total Profit What is the Allowable Increase for Lava surfboards produced? O 18 O 12 O 30 O 24 Use the table below to answer the following question(s). Qualis Investments is a private limited business that manages personal financial portfolios. The company manages six mutual funds and has a client that has acquired $750,000 from an inheritance. Characteristics of the funds are given in the table below. loualis Mutual Fund Data Expected Annual Risk Measure Return Qualis Low priced Stock Fund 7.23% 11.87 12 Qualis Multinational Fund 8.42% 12.62 3 Qualis Mid-cap Stock Fund 6.66% 13.72 4 Qualis Mortgage Fund 2.72% 3.37 5 Qualis Income Equity Fund 8.89% 8.4 Qualis Balanced Fund 3.50% 6.91 The company recommends that no more than $300,000 be invested in any individual fund, and that at least 580,000 be invested in each of the mid-cap stock and mortgage fund. The total amount invested in the low-priced and multinational funds are at least 35% of the total investment. The client would like an average return of at least 6%. Assume that X7-X6 represent the dollar amounts invested in funds 1 through 6, respectively. Which of the following is the constraint for the weighted return? O X1 + X2 X3 X4 X5 + X6 750,000 (7.23 X1 + 8.42 X2 + 6.66 X3 +2.72 X4 + 8.89 X5 +3.5 X6 )/750,000 26.00 O 7.23 X1 + 8.42 X2 + 6.66 X3 +2.72X4+ 8.89 X5 +3.5 X6 26.00 O (7.23 X4 + 8.42X2 +6.66 X3 +2.72 X4 + 8.89 X5 +3.5 X6)/750,000