written in the GO programming language.

A Service Station has multiple branches and they provide basic services such as Oil Change and Car Wash (Assume there is one type of Oil Change and Car Wash is available).

All vehicles are registered at the service station before they can be serviced.

A program needs to be created that will send a promotion (or reminder) to the vehicle owner for oil change 6 months since the last oil change.

Demonstrate: Given a date, generate a report showing customer information, car, type of service and last date of service. Given customer id, generate a report showing details of last coupon notification for each of the service.

Hint : Create packages for Dealer, Technician, Service, Customer, ServiceTransactionHidtory, CouponNotificationHidtory, etc.

Make sure the data can be stored in the text file ( CSV is recommended) Allow all operations on each of the records such as add, update, delete and search.

Load the data into array or slice object from your data files when you start your application and save the data into files before exiting the application.