Assume "open transaction" is permissible under the following circumstances: A owns a gravel pit and sells it to D for 1% of net profit derived from gravel sales for 5 years. A's basis os $50,000. D pays the following amounts to A in the years indicated and then the pit runs out (after the 5th year). Year 1: $20,000 Year 2: $10,000 Year 3: $30,000 Year 4: $20,000 Year 5: $5,000 a: What is the amount of gain or loss reportable by A in each year? b: Assuming that the pit was a capital asset, what was the character of the gain or loss to A in each year