Required information Problem 7-53 (LO 7-2) (Algo) [The following information applies to the questions displayed below.] Christina, who is single, purchased 360 shares of Apple Incorporated stock several years ago for $17,640. During her year- end tax planning, she decided to sell 180 shares of Apple for $7,920 on December 30. However, two weeks later, Apple introduced its latest iPhone, and she decided that she should buy the 180 shares (cost of $8,280) of Apple back before prices skyrocket. Note: Leave no answers blank. Enter zero if applicable. Problem 7-53 Part-a (Algo) a. What is Christina's deductible loss on the sale of 180 shares? What is her basis in the 180 new shares? Answer is complete but not entirely correct. Deductible loss Basis $ $ 0 (949) X