For 2018. Christina, who is single, purchased 220 shares of Apple Inc. stock several years ago for $12,320. During her year-end tax planning, she decided to sell 110 shares of Apple for $5,610 on December 30. However, two weeks later, Apple introduced its latest iPhone, and she decided that she should buy the 110 shares (cost of $5,830) of Apple back before prices skyrocket.

(1)

(a) What is Christina's deductible loss on the sale of 110 shares?

(b) What is her basis in the 110 new shares?

(2) Assume the same facts, except that Christina repurchased only 55 shares for $2,915.

(a) What is Christinas deductible loss on the sale of 110 shares?

(b) What is her basis in the 55 new shares?