Mike Smith has the following financial data:

Investment asset at year end $465,000

Investment asset at beginning of the year $392,000

Savings made during the year by Mike $25,000

Employer match to Mike’s 401(k) plan $5,000

Total assets on ending statement of financial position$680,000

Gross income on income statement $110,000

Total assets on beginning statement of financial position$610,000

Total liabilities at beginning of year $200,000 Totalliabilities at year end $185,000

a. What is Mike’s ROI for the year?

b. What is Mike’s ROA for last year?

c. What was Mike’s return on net worth for the year?