You can calculate here and then subtract 25 I got $575.29 but see what you get.
Answer:
I guess they subtracted a 110 from -110 instead of subtracting from 360
Answer: option 1.

x f(x)
4 log (4) 4 = 1 ... because 4^1 = 4
16 log(4) 16 = 2 .... because 4^2 = 16
64 log (4) 64 = 3 .... because 4^3 = 64