Jeremy $($unmarried$)$ earned $$107,500$ in salary and $$6,400$ in interest income during the year. Jeremy's employer withheld $$10,000$ of federal income taxes from Jeremy's paychecks during the year. Jeremy has one qualifying dependent child $($age $14)$ who lives with him. Jeremy qualifies to file as head of household and has $$31,420$ in itemized deductions. $($Use the tax rate schedules, Tax rates for Net Capital Gains and Qualified Dividends.$)$

Required:

Determine Jeremy's tax refund or taxes due.

Assume that in addition to the original facts, Jeremy has a long$-$term capital gain of $$4,180.$ What is Jeremy's tax refund or tax due including the tax on the capital gain?

Assume the original facts except that Jeremy has only $$7,750$ in itemized deductions. What is Jeremy's tax refund or tax due?