Kristina saves $26 at the end of each week and deposits the money in an account paying 11% compounded semi-annually. How much will Kristina accumulate in 4 years? How much of the accumulated amount is interest? Kristina will accumulate $ in 4 years. (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.) After 4 years, $ of the accumulated amount is interest. (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)