How can a developer achieve this goal and enable users to only consume a single Document CAL?

Which two data quality issues exist within the data set displayed in the exhibit? (Choose two.)

A customer needs the data displayed in the exhibit loaded into QlikView for analysis.
The data is stored in a flat file and new rows are appended daily.
Which two data quality issues will a developer have to resolve? (Choose two.)
Exhibit.

LOAD ItemID,
LocationID,
Quantity -
FROM -
[inventory.txt]
(txt, codepage is 1252, embedded labels, delimiter is ',', msq);
When the developer runs the script, which values will the field Quantity contain?
Some dates are in Julian date format; some dates are text strings.
How can a developer ensure the data is loaded in a consistent format?