Business at Terry's Tie Shop can be viewed as falling into three distinct seasons: (1) Christmas (November-December); (2) Father's Day (late May - mid-June); and (3) all other times. Average weekly sales (in $'s) during each of these three seasons during the past four years has been as follows:

Season	Year 1	Year 2	Year 3	Year 4
1	1846	1972	2241	2280
2	2094	2151	2306	2408
3	979	2481	1105	1120

Assuming that the sales is not experiencing any leaner increasing or decreasing trends.

1. Determine a forecast for the average weekly sales in year 5 for season1.