Please explain step by step.

Sage Hill Industries has the following patents on its December 31, 2016, balance sheet. The following events occurred during the year ended December 31, 2017. 1. Research and development costs of $234,000 were incurred during the year. 2. Patent D was purchased on July 1 for $47, 196. This patent has a useful life of 9 1/2 years. 3. As a result of reduced demands for certain products protected by Patent B, a possible impairment of Patent B's value may have occurred at December31, 2017. The controller for Sage Hill estimates the expected future cash flows from Patent B will be as follows. The proper discount rate to be used for these flows is 8%. (Assume that the cash flows occur at the end of the year.) Compute the total carrying amount of Sage Hill' patents on its December 31, 2016, balance sheet. (Round answer to 0 decimal places, e.g. 8, 564.) Compute the total carrying amount of Sage Hill' patents on its December 31, 2017, balance sheet. (Round answer to 0 decimal places, e.g. 8, 564.)