Easy Removals offers a complete interstate, door-to-door solution for residential and commercial removals. As the market for removal services is very competitive, Easy Removals aims to deliver services at a low cost. Its management accountant prepared the following information - the growth, price-recovery, and productivity components that explain the change in operating income from 2020 to 2021. Growth Price-recovery Productivity Component Component Component Revenue effect $ 310,000 F $ 98,000 U Cost effect $ 210,000 U $ 32,000 U $ 128,000 F Suppose that during 2021, the market growth rate in the industry was 10%. The number of jobs billed was 400 and 500 in 2020 and 2021, respectively. Any increase in market share more than 10%, and any change in selling price, are the result of Easy Removals' strategic actions. Required: Compute how much of the change in operating income from 2020 to 2021 is due to the: (a) industry-market-size factor; (b) product differentiation; and (c) cost leadership