The following equation summarizes the trend portion of quarterly sales of condominiums over a long cycle. Sales also exhibit seasonal variations. Ft = 56 4.6t + 3.6t 2 where Ft = Unit sales t = 0 at the first quarter of last year Quarter Relative 1 1.2 2 .95 3 .7 4 1.5 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