Answer:
32.5%
Step-by-step explanation:
multi-factor productivity = total output / (labor + materials + overhead costs)
old multi-factor productivity = $547,904 / ($240 + $259,276 + $0) = 2.111
new multi-factor productivity = $547,904 / ($210 + $195,680 + $0) = 2.797
the percentage change in multi-factor productivity = [(2.797 - 2.111) / 2.111] x 100 = 32.5%