28. A manager is using the equation below to forecast quarterly demand for a product: Y_t = 6,000 + 80t where t = 0 at Q2 of last year Quarter relatives are Q1 = .6, Q2 = .9, Q3 = 1.3, and Q4 = 1.2. What forecasts are appropriate for the last quarter of this year?

Select one:

a. 7776

b. 3936

c. 6480

d. 6560

24. A manager is using the equation Y(t) = 5500 + 70t to forecast quarterly demand for a product. In the equation, t = 0 at Q1 of 2019. Quarter relatives are Q1 = 0.54, Q2 = 1.19, Q3 = 0.92, and Q4 = 1.35. What forecasts are appropriate for the third quarter of 2021?

a. 5446.4

b. 5704

c. 5832.8

d. 6739.13

e. 6200

7. The following equation is used to predict quarterly demand: Y_t = 350 - 2.5t, where t = 0 in the second quarter of last year. Quarter relatives are Q1 = 1.5; Q2 = 0.8; Q3 = 1.1; and Q4 = 0.6. What is the forecast for the last quarter of this year?

Select one:

a. 199.5

b. 266

c. 268

d. 335

e. 201

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