No arbitrage futures formula?

CFA Level II Fixed Income
#1

Found these two formulas, not sure what they are:

FP = S0(1+rf)^T + FV(NC) FP = S0(1+rf)^T - FV(NB)

what’s FV(NC) and FV(NB)?

#2

As a guess, NC = net cost, NB = net benefit.

#3

Oh right, thanks!

#4

My pleasure.