Your game publishing company is looking to find out how much lower-income users spend each month on average on a game’s in-app purchases so that they can make marketing decisions. You managed to collect 404 valid survey responses and calculate the mean monthly purchase amount as $5.93. From past studies of this nature, you know that the standard deviation is $1.05. Construct a 99% confidence interval to estimate the average monthly purchases of lower-income players. The lower limit is

The upper limit is