I am calculating a residual income of -168,000, but the system is saying this is incorrect. I found an income of 4.95 - (5.8 - 1.9) = 1.05 and...

I am calculating a residual income of -168,000, but the system is saying this is incorrect. I found an income of 4.95 - (5.8 - 1.9) = 1.05 and investments of 5.3 - 2.05 + 6.9 = 10.15, so residual income is 1.05 - (12% * 10.15) = -0.168 (all numbers in millions). Where am I going wrong?