robichaus inc reported the following from last years operations

sales 630000

variable expenses 493000

cm 137000

fixed expenses 803000

net operating income 567000

average operating assets 3000000

at the beginning of this year the company has $900000 investestment oprrotunity

the company minimun required rate of return is 20%

If the company pursues the investment opportunity and otherwise performs the same as last year, the combined ROI for the entire company will be