On January 1, 2017 Old World Company purchases $300,000 of ten-year 10% bonds of New Company for $340,260. Interest is payable annually. The effective yield on the investment is 8%. What is the balance in Old Word's investment in held-to-maturity debt securities (round to the nearest dollar, if necessary) at December 31, 2018?

A) $343,039

B) $360,260

C) $337,481

D) $334,480