In a finance lease with beginning of period payments:

a) the payment amount will be smaller than it would have been if payments were made at the end of each period.
b) total interest expense recognized over the lease term will be the same as if payments were made at the end of each period.
c) the lease obligation at the end of the lease will be lower than if it would have been if payments were made at the end of each period.
d) interest expense for the first period of the lease would be higher than if the payments were made at the end of each period.