The advertising expenditures and revenue (in thousands of dollars) of 8 restaurants are given in the following table: Advertising Expenditure ($ thousands) 1 2 4 1O 12 14 Revenue{$ thousands) 19 32 a. Determine the slope coefficient ,31 for the regression of revenue given advertising expenditures. Answer rounded to three decimal places. b. Determine the yeintercept g for the regression of revenue given advertising expenditures. Answer rounded to two decimal places. c. Predict the revenue of a restaurant if advertising expenditure is $5 thousands. Answer rounded to two decimal places. Thousand $ 44 40 52 53 54 57