In cell C9, which formula would correctly calculate the monthly loan payment using the PMT function, based on interest rate and loan period values in cell C4:C8?
a) =PMT(C4/12, C512, C6)
b) =PMT(C4, C5, C6/12)
c) =PMT(C4, C5/12, C612)
d) =PMT(C4/12, C5*12, C6/12)