# Question: the following equation summarizes the trend portion of quarterly sales...

###### Question details

The following equation summarizes the trend portion of quarterly
sales of condominiums over a long cycle. Sales also exhibit
seasonal variations.

*F _{t}* = 68 − 5.8

*t*+ 4.8

*t*

^{2 }

where

*F*= Unit sales

_{t}*t*= 0 at the first quarter of last year

Quarter | Relative |

1 | 1.10 |

2 | 1.05 |

3 | .60 |

4 | 1.25 |

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. **(Round intermediate calculations and
final answers to 2 decimal places.)**

Quarter | Forecast |

1 | |

2 | |

3 | |

4 | |

1 | |