purchases and sales during the yeer follows: Requred a. Assume thit Chen wies the first in, frst out method. Compute the cost of goods seld for the year and the ending inventary balance at pectember 31 for product A. c. Assume that Chen uses the weighted swerge cont method Compute the cont of goods seld tor the year and the ending inventory byance at December 31 for product A Do notround unt i your final answes Found to the nearest doliur