An investment of $2406 31 eams interest at 6.7% per annum compounded semi-annually for 4 yeas At that me the terest ate changed to 2.3% compounded quately much wthe accumut value be 1.5 years after the change? The accumulated value is s (Round the final answer to the nearest cent as needed Round al intemedate vatues to si decmal paces as needed)