Required information Problem 7-53 (L0 7-2) [The following information applies to the questions displayed below.] Christina, who is single, purchased 520 shares of Apple Inc. stock several years ago for $21,320. During her year-end tax planning, she decided to sell 260 shares of Apple for $9,360 on December 30. However, two weeks later, Apple introduced its latest iPhone, and she decided that she should buy the 260 shares (cost of $9,880) of Apple back before prices skyrocket. Leave no answers blank Enter zero if applicable.) Problem 7-53 Part-a a. What is Christina's deductible loss on the sale of 260 shares? What is her basis in the 260 new shares? Deductible loss Basis Problem 7-53 Part-b b. Assume the same facts, except that Christina repurchased only 130 shares for $4,940. What is Christina's deductible loss on the sale of 260 shares? What is her basis in the 130 new shares? Deductible loss Basis