Question 5 Study the information provided below and answer all the questions that follow: DVG Services, a fast growing beauty salon business with branches across Gauteng and the Western Cape has requested your help with forecasting the aggregate demand for its services. From the database of DVG Services you have retrieved the transactional data of the past twelve months of the 2020 fiscal year as shown below. Year Monthly demand 2020 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 790 800 950 920 780 950 1080 842 920 990 1 100 820 REQUIRED: Using the data provided above, answer the following questions: 5.1 Discuss the systematic steps by which DVG Services can initiate, design, and implement a forecasting (7 marks) system for its operations. 5.2 Using the time series data provided, determine the simple linear regression equation of the demand for the services of DVG. (10 marks) 5.3 I lsing the linear regression equation obtained in 52 forecast the total number of services (3 marks)