1 $ at 8%, quarter kompound, 4 yeers ..
become 1.02^16
.end value=1.3727857050906124
*** step 2...10%, so math become 1.025^16
end value =1.4845056206605622
the 2 steps in seerees...1.2727857*1.48450562=2.0379080951694872
multipli bi 2000$=start dollar...4,075.81619033897...
or bout 4,07582$