start contributing to her employers

Your friend, Sydney, wants to start contributing to her employers 401(k) plan to save money for retirement. She wonders how much she would save on her income taxes by contributing to the plan. She can invest up to 7% of her income into the plan. Her current income is US$45,000 per year, and she is in the 15% tax bracket.Include an Excel spreadsheet that provides answers for each of the following investment choices: 1%, 2%, 3%, 4%, 5%, 6%, and 7%. Additionally, provide Sydney with other suggestions to minimize her taxes.