Yaster Outfitters manufactures and sells extreme-cold sleeping bags. The table below shows the price-demand and total cost data, where: - p is the wholesale price (in dollars) of a sleeping bag for a weekly demand of x sleeping bags; - C is the total cost (in dollars) of producing x sleeping bags. Use this data to create regression models to answer all of the questions below. Find a linear regression model for the weekly cost data, using x as the independent variable. C(x)=mx+k Round m to 1 decimal place, and round k to the nearest integer. Use this cost model to answer questions 9-15 below. 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 120 . Round to the nearest dollar. Question 12 Use the cost model above to answer this question. What is the per unit variable cost? Round to 1 decimal place. $ per sleeping bag