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Marin Industries has the following patents on its December 31,2019 , balance sheet. The following events occurred during the year ended December 31,2020. 1. Research and development costs of $355,100 were incurred during the year. 2. Patent D was purchased on July 1 for $10,800. This patent has a useful life of 12 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 December 31,2020 . The controller for Marin estimates the 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 Marin's patents on its December 31,2020 , balance sheet. (Round present value factor calculations to 5 decimal places, e.g. 15.24673 and final answer to 0 decimal places, e.g. 5,125.) Total carrying amount $