Formating a time series forecast

Formating a time series forecast Order Description   this assignment has a big portion it has 30% of my final grade i need you to read the instructions of the assignment very carefully then read the case study at the end of the case study you will find a code i need you to work on code number 5 columbus men i will upload an excel sheet focus on what highlighted in yellow there is an examples of my friend's work i will upload it to you just to take a look but please do not do the exact thing be careful