please help with parts a-d. Thank you!

of $19.000, stock held for three years at a gain of $20,000, and a colectble asset held fot sxyeses at a gain of $25,000. ignore the effect of the gairs on amy threshoid amounts. Yew the Prelerental Rates for Adjusted Net Cacital Coan (ANCG) ind Quallod Dindends. Read the fesirempents. Rates for Adjusted Net Capital Gain (ANCG) and Qualified Dividends Capital Gains and Dividends Capital gans and losses ace astigned to taskets. Five possible tax rates will apply to most capital gains and hosses: - Ordinary income tax rates (up to 37% in 2022) for gains on assets held one year or less - 20\% rate on collectiles gains and incluctie Sec. 1202 gains - Preferental tax tates for gains on assees held for more than one year and quac fed dividends based on the taxpayors taxable incorne and Bing status as shown in the following table. Nole The net investreset income of Nigher income taxpayers (thod fied AGi groater than $200,000 for single and $250.000 tor married fing jointy) also may be subject to an additonal tax of 3.8%. Net imvestment income includes dridends and capital gaint. along with other types of investrent income. Requirements a. What is her taxable income and the increase in her income tax liability after considering the three gains? b. In addition to the above three sales, assume that she sells another asset and has a short-term capital loss (STCL) of $23,000. What is her taxable income and the increase in her tax liability after considering the four transactions? c. In addition to the above three sales in Part a, assume that she sells another collectible asset held seven years as an investment and has a $30,000 capital loss. What is her taxable income and the increase in her tax liability after considering the four transactions? d. Determine her Medicare tax on net investment income in (a) if all of the $620,000 of taxable income is due to salary