Consider a person who invests in AAA-rated bonds, A-rated bonds, and B-rated bonds. The average yields are 6.5% on AAA bonds, 7% on A bonds, and 9% on B bonds. The person invests twice as much in B bonds as in A bonds. Let x, y and z represent the amounts invested in AAA, A, and B bonds, respectively.
Total Investment
Annual Return
$663,000
47,000
?
Use the inverse of the coefficient matrix of this system to find the amount invested in each type of bond.
?
A. $142,000 in AAA-rated bonds $451,000 in A-rated bonds$71,000 in B-rated bonds
B. $450,000 in AAA-rated bonds$71,000 in A-rated bonds$142,000 in B-rated bonds
C. $143,000 in AAA-rated bonds $71,000 in A-rated bonds$450,000 in B-rated bonds
D. $72,000 in AAA-rated bonds$450,000 in A-rated bonds$142,000 in B-rated bonds
E. $450,000 in AAA-rated bonds$142,000 in A-rated bonds $70,000 in B-rated bonds
Answer: B
You might also like to view...
Solve the problem.Imagine a force field in which the force is always perpendicular to dr. What is special about the work done in moving a particle in such a field?
What will be an ideal response?
Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in rectangular form.(1 - i)10
A. 32 - 32i B. -32i C. 32 D. -32 + 32i
Find a unit vector u in the direction of the given vector.
A.
B.
C.
D.
Solve the problem.One hundred dollars is deposited in a savings account at 6% interest compounded continuously. The function defined by f(x) shown in the figure gives the balance in the account after t years. At what rate (in dollars per year) is the balance growing after 27 years?
A. ? $28/year B. ? $14/year C. ? $8/year D. ? $7/year