Carla Cox's spouse, Charles Cox, died on May $17,20$x$2.$ Assume that Charles and Carla were the proud parents of two children, Caroline and Courtney, ages six and four respectively on the date of Charles death, and that Carla has maintained the family home in which both children have resided since Charles' passing. Also assume that Carla has at all times provided $100\%$ of each child's support and that Carla has not remarried. Carla is now preparing her Form $1040$ for tax year $20$x$5$ and seeks to incur the lowest possible income tax for the year. What filing classification will Carla use on the $205$ return?

A Surviving spouse

B Married separate

C Single

D Head of household

E None of the above answers

For tax year $207$ Robert Richardson earns salary of $$90,000.$ His spouse, Rhonda, is selfand will report Schedule C net income of $$280,000$ for the year. Assume that the couple will report $207$ adjusted gross income of $$420,000,$ which amount will include interest income of $$20,000$ and dividend income of $$30,000.$ How much special Medicare income tax will Robert and Rhonda incur for the year?

$\backslash$table$[[$A$,$$$1,050$