Please show answer step by step with calculation. Thank you

Lisa, single, purchased qualified small business stock on February 10,2018 , for $37,500. Lisa is in a 32% tax bracket. (a) Your answer is partially correct. What is the tax effect to Lisa if she sells the stock on January 31, 2023, for $59,900 ? (Do not leave any answer field blank. Enter 0 for amounts. If no capital gain, select NA in dropdown.) Excluded income capital gain $ taxed at