eady ware is a divison of a major company. the following date is the latest year of corporation.

sales $19,600,000

net operating income $470,400

average operating assets $5,000,000

the company's minimum required rate of return $10%

required

a.what is the divison's margin

b.divison's turnover

c. what is the division's return on investment

d. what is the division residual income