Comprehensive Problem. What is the total tax due for 2018 , including selfemployment tax, for Stuart, assuming that he earned \(\$ 20,000\) in wages, earned \(\$ 24,000\) in self-employment income from his first business, had a loss of \(\$ 10,000\) from his second business, received \(\$ 3,000\) in interest income, and had \$5,100 in nonqualified dividend income?