Eric has another get-rich-quick idea, but needs funding to support it. He chooses an all-debt funding scenario. He will borrow

$426

from Wendy, who will charge him

7%

on the loan. He will also borrow

$383

from Bebe, who will charge him

9%

on the loan, and

$191

from Shelly, who will charge him

15%

on the loan. What is the weighted average cost of capital for Eric?