Ahmed sold a piece of land in 20X8 for $300,000. The purchaser paid a down payment of $50,000 at the time of sale, and will pay the remaining $250,000 in instalments of $25,000 per year for the next 10 years beginning in 20X9. The property had an adjusted cost base of $200,000. What is the maximum capital gains reserve that Ahmed will be allowed to report in 20X8, the year of sale?

A. $50,000

B. $80,000

C. $83,333

D. $250,000