Answer each of these unrelated questions.

a. On January 1, 2022, Yang Ltd. sold a building that cost ¥25,000,000 and that had accumulated depreciation of ¥10,000,000 on the date of sale. Yang received as consideration a ¥24,000,000 non interest-bearing note due on January 1, 2025. There was no established exchange price for the building, and the note had no ready market. The prevailing rate of interest for a note of this type on January 1, 2022, was 9%. At what amount should the gain from the sale of the building be reported?

b. On January 1, 2022, Yang Ltd. purchased 300 of the ¥100,000 face value, 9%, 10-year bonds of Walters Inc. The bonds mature on January 1, 2032, and pay interest annually beginning January 1, 2023. Yang purchased the bonds to yield 11%. How much did Yang pay for the bonds?

c. Yang Ltd. bought a new machine and agreed to pay for it in equal annual installments of ¥400,000 at the end of each of the next 10 years. Assuming that a prevailing interest rate of 8% applies to this contract, how much should Yang record as the cost of the machine?

d. Yang Ltd. purchased a special tractor on December 31, 2022. The purchase agreement stipulated that Yang should pay ¥2,000,000 at the time of purchase and ¥500,000 at the end of each of the next 8 years. The tractor should be recorded on December 31, 2022, at what amount, assuming an appropriate interest rate of 12%?

e. Yang Ltd. wants to withdraw ¥12,000,000 (including principal) from an investment fund at the end of each year for 9 years. What should be the required initial investment at the beginning of the first year if the fund earns 11%?