The demand for a certain drug in a hospital has been increasing. For the past six months, the following demand has been observed: Month Demand, Units January 15 February 18 March 22 April 23 May 27 June 26 Use a three-month moving average to make a forecast for July. b) For the data in exercise 14.4 (a above), use an a of 0.1 to make a forecast for July. (Please include steps).