A co. engaged a contractor to construct a building for the co. Assume the co. has construction debt that includes a 12% note, and other debt that includes a 9% bond & a 13% note. When determining avoidable interest, the co. will need to compute a weighted average interest rate that takes into account

A. the 9% bond & the 13% note

B. the 12% note, the 9% bond, & the 13% note

C. the 12% note & the 9% bond

D. the 12% note & the 13% note