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The user wants to calculate the principal of a loan. What function formula should be used given NPER (C1), RATE(C2), and
PMT(C4)?
a. PV(C4, C1, C2)
b. PV(C1, C2, C4)
c. =PV(C2, C1, C4)
d. PV(C2, C1, -C4)