Barb lives in a community with a homestead exemption of $30,000 and where assessed value is 40% of market value. She owns an office building that has a market value of $680,000. Relevant property taxes are due to the county (37.4 mills), city (9.2 mills), and water authority (1.8 mills).

a. What is the property tax liability on Barb's property? Round your answer to the nearest dollar and write it in the box.

b. What is the effective property tax rate on Barb's property? Round your answer to the hundredth of a percent (such as 12.34%, 56.70%, 9.00%, .1234, .5670, or .0900) and write it in the box.