$-0.1111\cdot5^{-11}$ from base 5 to base 10

Question

Convert $-0.1111\cdot5^{-11}$ from base 5 to base 10.

My attempt: $$-(5^{-12}+5^{-13}+5^{-14}+5^{-15})=5\cdot10^{-8}$$ But this is different from the given answer: $$-1.59744\cdot10^{-5}$$