Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

Kim Corporation is considering an investment of 750 million won with expected after-tax cash inflows of 175 million won per year for seven years. The required rate of return is 10 percent. Expressed in years, the project’s payback period and discounted payback period, respectively, are closest to:
Option A:4.3 years and 5.4 years.
Option B:4.3 years and 5.9 years.
Option C:4.8 years and 6.3 years.

Answer: B