What Are Your Finance Math Skills?

The first two questions correlate to Math for Personal Finance features located throughout the chapter.

Jermaine invested $$3,200$ in a definedcontribution account. Assuming he is in a $20\%$ marginal tax bracket, how much did he lower his income taxes with the investment?

Amanda's new job has a $50\%$ employer match on the first $4\%$ of her salary contributed to her $401($k$).$ How much was deposited in Amanda's account if she makes $$61,000$ a year and she took advantage of the entire contribution match?

How much money was contributed to Barb's SEP account if she makes $$40,000$ a year and her employer maxed out the contributions?

What is Tara's tax savings on a $$5,000$ contribution to a Roth IRA?

How much will you have in your account when you retire if you contribute $$4,000$ a year for $40$ years, assuming you earn a $12\%$ annual return?

How much will you have in your retirement account at the end of $2$ years if you contribute $$3,000$ a year and have a $100\%$ employer match? Assume a $9\%$ annual return on your investments and end$-$of$-$year contributions.

What is the amount of your employer's contributions if the company matches $50\%$ of the first $4\%$ of your salary, and you make $$72,000$ a year?