Date May 31, 2018 September 18, 2019 October 21, 2019 January 12, 2021 Shares 380 220 430 260 Price $ 9.300 $ 7.600 a b. $9.600 $7.100 Required: Calculate the gain (loss) on the sale under the following assumptions: a. Basis is calculated using the first-in, first-out method. Note: Round your intermediate computations and final answer to 2 decimal places. b. Basis is calculated using the average cost method (assume all shares are long-term). Note: Round "Average cost" to 3 decimal places. Round other intermediate computati