Based on Quarterly Data Collected Over the Last Five Years

Based on quarterly data collected over the last five years, the following regression equation was found to forecast the quarterly demand for the number of new copies of a business statistics textbook: _t = 2,298 - 335Qtr1 - 1,446Qtr2 + 303Qtr3 + 26t, where Qtr1, Qtr2, and Qtr3 are dummy variables corresponding to Quarters 1, ,2 and 3, and t = time period starting with t = 1. For a given year, the demand in Quarter 4 is on average ________.

A) 2,298 copies
B) 1993 copies
C) 852 copies
D) 2601 copies