Self-Contradictory Formulas

CFA Level II Derivatives
#1

In reading 40, two formulas are given:

Equation (7)

F0(T)=QF0(T)CF(T)=FV0,T[S0−PVCI0,T]=FV0,T[B0(T+Y)+AI0−PVCI0,T]

https://drive.google.com/open?id=1WjArM6iP5FPf5GpdO_xDcC3kBY6hExZn

Equation (8)

QF0(T)=[1/CF(T)]{FV0,T[B0(T+Y)+AI0]−AIT−FVCI0,T}

https://drive.google.com/open?id=1uCCuHDJH8tf0d0Io_ASglt8lwishdmQP

However, some quick algebra operation will reveal the two formulas are different. There is an extra AI(T) in equation (8). Anyone knows which formula to use?

#2

Equation 8 subtracts the accrued interest that comes at the end.

“For clarity, substituting for F0(T) and S0 and solving for the quoted futures price, we have” equation 8.

#3

That’s true. But if you look closely, these two equations are identical except equation 8 has an extra AI(T) term which is NOT in equation 7

#4

I believe the difference might be FV0,T[PVCI0,T] = −AIT−FVCI0,T