Using the following data, estimate the new Return on Investment if there is a $13\%$ decrease in the average operating assets $-$ with the new average operating assets as the base.

Sales $$3,516,519$

Contribution margin $39\%$

Controllable fixed costs $300,215$

Average operating assets $$4,964,961$

Round to two decimal places. Be sure to enter the answer as a percentage but do not include the $\%$ sign.