A system consists of three energy levels: a ground level, E_(0)=0J, a first excited level at E_(1)=0.40k_(B)TJ, and a second excited level at E_(2)=0.89k_(B)TJ. Calculate the partition function, q. What is the value of q?

A) 0J
B) 0.40k_(B)TJ
C) 0.89k_(B)TJ
D) None of the above