A supermarket chain analyzed data on sales of a particular brand of snack cracker at 104 stores for a certain one week period. The analyst tries to predict sales based on two independent variables: (i) the total sales of all brands in the snack cracker category. (ii) whether or not there was a propmotion for a competing brand at a given store. a. Develop a linear regression model that helps predict sales b. Interpret the regression coefficients. c. Make a prediction for sales in a week where promotion is held and the sales in the entire snack cracker category is 1005.

Knight company reports the following costs and expenses in may. factory utilities $17,400 direct labor $70,300 depreciation on factory equipment 13,850 sales salaries 46,700 depreciation on delivery trucks 3,900 property taxes on factory building 3,100 indirect factory labor 53,700 repairs to office equipment 1,500 indirect materials 84,200 factory repairs 2,220 direct materials used 137,700 advertising 15,900 factory manager’s salary 8,700 office supplies used 2,770 from the information: your answer is incorrect. try again. determine the total amount of manufacturing overhead. manufacturing overhead $ 173050 link to text your answer is incorrect. try again. determine the total amount of product costs. product costs $ 208000 link to text your answer is incorrect. try again. determine the total amount of period costs. period costs $ 66870 click if you would like to show work for this question: open show work