i have done the correct calculation but the answer is wrong. what am i doing wrong?

so my answers are correct

Problem 8.4 Exponential Moving Averages (LO4, CFA1) The table below shows the closing monthly stock prices for IBM and Amazon, Calculate the exponential three-month moving average for both stocks where two-thirds of the average weight is placed on the most recent price. (Do not round intermediate calculations. Round your answers to 2 decimal places.) Answer is complete but not entirely correct