Question 1037309
The B+ bonds pay the most, so he would want to maximize his investment in those.
since his investment has to be no more than 12000 in B+ bonds, he should invest 12000 in B+ bonds to get the most profit out of them.


since he has 30,000 to invest, the rest should go into AAA bonds.


that would be 18,000 in AAA bonds.


all the requirements in the problem are satisfied.


they are:


at most 12000 in B+ bonds - check.
at least 6000 in AAA bonds - check.
amount invest in AAA bonds greater than amount invested in B+ bonds - check.


broker should recommend 12000 in B+ bonds and 18000 in AAA bonds.