Curtis invests $250,000 in a city of Athens bond that pays 7% interest. Alternatively, Curtis could have invested the $250,000 in a bond recently issued by Initech, Inc. that pays 9% interest with similar risk as the city of Athens bond. Assume that Curtis's marginal tax rate is 28%. How much implicit tax would Curtis pay on the city of Athens bond?

A. 17,500

B. 1400

c. 1300

d. 5000

e. none of these is correct