Answer:
1. $572,000
2. M = 11.5%; T = 1.1
3. ROI = 12.65%
Step-by-step explanation:
1. Compute the operating income.
Operating income is given by sales minus expenses:
![I=$4,974,000 - $4,402,000\\I=\$572,000](https://img.qammunity.org/2021/formulas/business/college/zxvp34jwcu9xhv9dc9m3xaahf43rbxpemr.png)
2. Compute the margin (as a percent) and turnover ratio.
Margin is determined by the operating income divided by sales.
![M=(\$572,000)/(\$4,974,000) *100\\M=11.5\%](https://img.qammunity.org/2021/formulas/business/college/1hfioiym8cxesyuuupjavsfolkcgk07tzz.png)
Turnover ratio is given by Sales divided by operating assets:
![T=(\$4,974,000)/(\$4,380,000)\\ T=1.1](https://img.qammunity.org/2021/formulas/business/college/vz4jhcfwpkzk3qu0jg3lxbpk1x8ew1tfzs.png)
3. Compute the ROI as a percent
The ROI is given by the margin multiplied by the turnover ratio
![ROI = 1.1 *11.5\%\\ROI=12.65\%](https://img.qammunity.org/2021/formulas/business/college/hllgku0d4l69qd5vi0amu39vmn9m90793d.png)