uarterly sales for a department store over a six-year period are given in the file Quiz 3 Question 1 Data Download Quiz 3 Question 1 DataOpen this document with ReadSpeaker docReader. Run multiple regression (use all data points) to develop an equation that can be used to predict future quarterly sales. (Hint: Use dummy variables for the quarters and a time variable for the quarter number, 1 to 24.). Report the forecast sales in the last quarter (year 6 quarter 4). Round your answer to the nearest integer