I need help solving this question.

EXERCISE 1 Two consumers, A and B, consume books and wine. Consumer A's initial endowment is (60,10); that is, A has has 60 books and 10 bottlm of wine. Consumer B's initial endowment is (20,30). They have no other assets, and make no tradm with anyone other than each other. For A, a book and a bottle of wine are perfect substitutes; her utility function is my; (1:1,, 1:\") 2 35+ 3,\