### Q$5$a: Now we will clean the variable that measures how often the respondent ate fruit per day or per week or per month. Create a new variable in $`$brf$\_$part$1`$ named $`$FRTDAY$`$ that converts all of the responses into fruits eaten $*$per day$*.$ Be sure to account for $0$ days. Use $30$ days per month, $7$ days per week, and $0\mathrm{.}02$ for less than once a month in your conversion calculations. Place the new column as the first column in the dataframe.

Make sure you added the new column FRTDAY to the existing $`$brf$\_$part$1`$ dataframe.

The resulting dataframe should still have NAs for FRTDAY at this point.

Hint: The resulting dataframe is $431,750$ x $4.$