Return on investment is often expressed as follows: Controllable margin Controllable margin Sales ROI X Average operating assets Sales Average operating assets (51) Comparative data on three companies operating in the same industry follow. The minimum required ROI is 10% for all three companies. Determine the missing amounts. (Round asset turnover of Company B and return on investment of Company C to 1 decimal place, e.g. 15.2 or 15.2% and all other answers to O decimal places, e.g. 152. Enter negative amounts using either a negative sign preceding the number e.g. -45 or parentheses e.g. (45).) Company A Company B Company C Sales $1,560,000 $767,300 (a) $ Net operating income (b) $ $187,200 $161,133 Average operating assets (c) $ $780,000 $4,637,000 Profit margin (d) % (e) % 0.6 Assets turnover (f) g) 4 Return on investment (h) % 2.1 % (0) Residual income () $ (k) $ (0) $