Which accurately explains the difference between the stock market and the commodity market?

Danielle puts 8 percent of her paycheck in a 401(k) plan administered by her employer. danielle earns $55,000 per year and is in the 28 percent tax category. what annual tax savings does she get from her contribution? if her employer matches contributions on the first 5% of her salary dollar for dollar and the second 5% 50 cents on the dollar, how much will her employer put into her account this year?