3) Mark Cotteleer owns a company that manufactures canoes. Actual demand for Mark's canoes during each season in 2015 through 2018 was as follows: Mark has forecasted that annual demand for his canoes in 2019 will cqual 5600 canoes. Based on this data and the multiplicative seasonal model, what will the demand level be for Mark's canoes in the spring of 20197 Calculate and plot the tracking signal (TS) for all seasons from 2015 to 2018 given the following forecasts. Based on the TS values, is the forecast approach acceptable assuming the thresholds of 3? Why