Please show picture of excel formulas used so I know how to follow along. I'd appreciate it. Thank you

C D E F G H 2 Data w Year Quarter Data Consider the following quarterly time series. 923 1056 Quarter Year 1 Year 2 Year 3 1124 992 923 1,112 1,293 2 1112 2 1247 N 1,056 1,247 1,401 1373 1,124 1,373 1,554 -AW 1178 3 1293 A 992 1,178 1,398 1401 1554 1398 Construct a time series plot. What type of pattern exists in the data? b: Data Dummy Variables Year Quarter Period Qtr Qtr2 Qtr3 Data Forecast 1 0 O 923 Use a multiple regression model to develop an equation to account for seasonal and trend 0 0 1056 effects in the data. O AWN Co - 1124 24 GUIAWN 0 992 2 1112 0 1247 1373 LAWN Compute the quarterly forecasts for next year based on the model developed in part (b). 1178 3 1293 1401 AWN 1554 12 1398 13 14 15 16 Question 1 a Question 1 b Question 2 Question 3 Question 4 + Ready 9 210