QUESTION 3 Income at the accounting firm Dumisa and Associates for a 6-month period is shown in the table below. (25) Month (Income in R thousand) January 70 February 68.5 March 64.8 April 71.7 June May 71.3 72.8 Use trend-adjusted exponential smoothing to forecast the firm's July income. Assume that the initial forecast average for January is R 65,000 and the initial trend adjustment is 0. The smoothing constants selected are a = 0.1 and B = 0.2