A manager is using the following linear trend equation to forecast quarterly demand for a product:
Ft = 6,000 + 80t where t = 0 at Q1 of this year.
a.) Forecast the demand for the last quarter of this year and the first quarter of next year?
b.) Is quarterly demand increasing or decreasing? By how much?
c.) When (which quarter of which year) can the manager expect the demand to equal 6,800 units?