Required information (The following information applies to the questions displayed below) Christina, who is single, purchased 180 shares of Apple Inc. stock several years ago for $10,440. During her year-end tax planning, she decided to sell 90 shares of Apple for $4,770 on December 30. However, two weeks later. Apple introduced its latest iPhone, and she decided that she should buy the 90 shares (cost of $4.950) of Apple back before prices skyrocket. (Leave no answers blonk. Enter zero if applicable.) a. What is Christina's deductible loss on the sale of 90 shares? What is her basis in the 90 new shares? Deductible loss Bases