The following equation summarizes the trend portion of quarterly sales of condominiums over a long cycle. Sales also exhibit seasonal variations. Ft= 50-4t+3t where Ft= Unit sales t = 0 at the first quarter of last year Quarter Relative .90 2 .90 3 .40 4 1.80 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