Julia earns $68,000 per year and wants to begin investing her money. She
figures she can afford to invest 40% of her annual salary. Of that, 60% will
be invested in corporate bonds, while 40% will be invested in securities. If
the corporate bonds and securities yield 7% and 12% annual interest,
respectively, how much interest will Julia earn in 1 year?
A $2,218
B $2,448
C $2,720
D $3,672