15.(10) Using the le, annual prices.2016.xlsx, in the sheet titled Real Prices, calculate the real prices of the included commodities. Use those results to ll in the followin_ table: Real Prices (l982-84=100) of Food Commodities _____ 2016 ____ A simple method for calculating the following is once you have calculated the real prices, use the Excel formula, =slope(y_values, X_values). With the real bacon prices in b2 through b38 and the trend values in g2 through g35, = slope(b2.b38, $g2.$g3 8) will give the trend slope for real bacon prices. Do that for the 5 commodities, so you can answer question 16 and 17. Alternatively, you could run the regression dialog 5 times