Income =200= 200=200. pB=5p_B = 5pB=5, pY=1p_Y = 1pY=1. U=4B+2YU = 4B + 2YU=4B+2Y. Plus a Rs.\ 50 gift card usable only on books.
101010 books, 200200200 other goods.
000 books, 200200200 other goods.
202020 books, 150150150 other goods.
404040 books, 000 other goods.
