A good answer might be:

It was replaced with the new discount.out created for this run of the program.

Concatenation of Output to a File

Sometimes you want to run a program several times and put the output of all the runs into a single file. For example, say that you want the discounted price of several items to be saved in one file. Here is how to do this: 

C:\users\default\JavaLessons>java Discount > discount.out

100
10

C:\users\default\JavaLessons>java Discount >> discount.out

200
20

C:\users\default\JavaLessons>java Discount >> discount.out

47
15

C:\users\default\JavaLessons>
The double "greater than" signs >> mean to add the new output to the end of the file discount.out. This is called contatenation of the output to a file. Here is what the file now looks like: 
C:\users\default\JavaLessons>type discount.out
Enter list price in cents:
List price:100
Enter discount in percent:
Discount:10
Discount Price: 90
Enter list price in cents:
List price:200
Enter discount in percent:
Discount:20
Discount Price: 160
Enter list price in cents:
List price:47
Enter discount in percent:
Discount:15
Discount Price: 40

C:\users\default\JavaLessons>

QUESTION 13:

After all the above has been done, what would be the result of the command: 

C:\users\default\JavaLessons>java Discount > discount.out

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