On June 30, 2014, Q Corp. (calendar year-end) recorded goodwill = 1,800,000 on the purchase of an entire existing business.

On June 30, 2014, Q Corp. (calendar year-end) recorded goodwill = 1,800,000 on the purchase of an entire existing business. No impairment is recorded for book purposes until 2017 when it equals 500,000. For 2014 to 2017, what is recorded on the income statement? What is the tax deduction each year? What are the book-tax differences for 2014 to 2017?