Given Vₒᵤₜ=−38.40Vₚₚ and R₁ =2.5kΩ, find the value of R_f required to provide Aᵥ=−4.80V/V. (Round your answer to 2 decimal places.)
a) 2.13kΩ
b) 8.00kΩ
c) 10.67kΩ
d) 15.30kΩ