Trevor has a portfolio valued at $4,500. Of this amount, $3,150 is invested in Home Center stock and the remainder is invested in Garden Flower stock. The expected rate on Home Center stock is 15.4 percent and the expected return on Garden Flower stock is 9.8 percent. What is the expected return on Trevors portfolio?

a) 8.97 percent b) 10.78 percent c) 12.60 percent d) 13.72 percent e) 14.99 percent