1.

A manager is using the equation below to forecast quarterly demand for a product:

Y_t = 500 + 25t where t = 0 at Q1(first Quarter) of this year

What forecasts are appropriate for the 3rd and last quarter of this year?

500,500

1500, 1550

575,600

550,575

2.

A manager is using the equation below to forecast quarterly demand for a product: Previous years showed seasonal relatives 0.9; 1.1; 1.3; and 1.5 for the demand in first , second and third quarters of a year.

Y_t = 1500 + 50t where t = 0 at Q3 ( third quarter ) of this year What forecasts are appropriate for the 2nd quarter of next year?

1650

1815

1700

1870

3.

A manager is using the equation below to forecast quarterly demand for a product:

Y_t = 1500 + 50t where t = 0 at Q4 (fourth Quarter) of this year

What forecasts are appropriate for the 3rd quarter of next year?

1650

1700

1450

1800