Don has $12,000 to invest in AAA and bonds.
AAA bonds pay 6%. B bonds pay 9%. He wants to
invest at least twice as much in AAA bonds as in B
bonds. How much shall he invest in each type to
maximize his return? What is his return?

Respuesta :

AAA he will invest $8,000 and B bonds he will invest $4,000.
In return AAA will give him $480 and B bonds will give him $360.