Consider Two Potential Book Buyers, Tom and Jane, Who Are

Consider two potential book buyers, Tom and Jane, who are considering whether to purchase two books, book A and bookB.
(a) If each book is sold at $12, how much revenue will the seller receive?
(b) If each book is sold for $10, how much revenue will the seller receive?
(c) If the seller ties or bundles the two books together and charges $22 for the two tied products, how much revenue will the seller receive?
(d) Why does tying or bundling increase revenue?B. Assume that the maximum Tom is willing to pay for book A is $12 dollars, while he is willing to pay $10 dollars for bookB. Jane is willing to pay $10 for book A and $12 dollars for book