apan Life Insurance Company invested $$10,000,000$ in pure$-$discount U$.$S$.$ bonds in May $1995$ when the exchange rate was $80$ yen per dollar. The company liquidated the investment one year later for $$10,850,000.$ The exchange rate turned out to be $110$ yen per dollar at the time of liquidation. What rate of return did Japan Life realize on this investment in yen terms?

Note: Do not round intermediate calculations. Enter your answer as a percent rounded to $2$ decimal places.