Cost Model Find a linear regression model for the weekly cost data, using a: as the independent variable. C(23) = ma: + 14: Round m to 1 decimal place, and round It to the nearest integer. Use this cost model to answer questions 9-15 below. Question 9 2 pts Use the cost model above to answer this question. What is 171? Round to 1 decimal place. Question 10 3 pts Use the cost model above to answer this question. What is 1:? Round to the nearest integer. Question 11 3 pts Use the cost model above to answer this question. Use the weekly cost model to estimate the total weekly cost when the weekly demand is 153. Round to the nearest dollar. $ Question 12 3 pts Use the cost model above to answer this question. What is the per unit variable cost? Round to 1 decimal place. $ per sleeping bag Question 13 3 pts Use the cost model above to answer this question. What is the weekly xed cost of producing sleeping bags? Round to the nearest integer. $ Question 14 3 pts Use the cost model above to answer this question. What is the marginal weekly cost at production level 117 sleeping bags per week? Round to 1 decimal place. $ per sleeping bag Question 15 3 pts Use the cost model above to answer this question. Use the cost model to estimate the average weekly cost per bag when the weekly demand is 139. Round to the nearest cent. $ per sleeping bag