From the Point of View of the Lessor,any Lease Rentals

From the point of view of the lessor,any lease rentals that are a recovery of executory costs should be treated as:

A) A reduction in the lease receivable in the period in which they are received.
B) A reduction in interest revenue in the period that the costs are incurred.
C) An increase in unearned revenue in the period in which the lease rental is received.
D) Revenue in the periods in which the related costs are incurred.
E) None of the given answers.