The Rio Credit Union has $ 250,000 available to invest in a​ 12-month commitment and wants to invest all of it. The money can be placed in Brazilian treasury notes yielding an 12​% return or in riskier​ high-yield bonds at an average rate of return of 9​%. Credit union regulations require diversification to the extent that at least 40​% of the investment be placed in Treasury notes. It is also decided that no more than 30​% of the investment be placed in bonds. The optimal ROI occurs​ when: ​$ invested in Treasury notes​ = ​(enter your response as a whole​ number). ​ $ invested in Bonds​ = ​(enter your response as a whole​ number). Optimal ROI value​ = ​(enter your response as a whole​ number).