## Description

**QUESTION:**

The following equation summarizes the trend portion of quarterly sales of condominiums over a long cycle. Sales also exhibit seasonal variations. Using the information given, prepare a forecast of sales for each quarter of next year (not this year), and the first quarter of the year following that.

F_{t} = 40 ? 6.5t + 2t^{2}

where

F_{t} = Unit sales

t = 0 at the first quarter of last year

**Quarter ____________ Relative**

1 ???????..??.. 1.1

2 ?????????.. 1.0

3 ????????.?.. .6

4 ?????????.. 1.3

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