Regarding the command: nice -5 /usr/bin/prog Which of the following statements is correct?

Regarding the command: nice -5 /usr/bin/prog Which of the following statements is correct?
A . /usr/bin/prog is executed with a nice level of -5.
B . /usr/bin/prog is executed with a nice level of 5.
C . /usr/bin/prog is executed with a priority of -5.
D . /usr/bin/prog is executed with a priority of 5.

Answer: B