Generate larger individual sales. When the need is there, but the dollars for total implementation are not, a lease can serve as a means to stretch the dollars. And include multi-year maintenance in the lease. Better satisfy customer needs. Relate the payment for the asset to its period of benefit.
Customers often prefer the payment be related to the benefit of the asset.
Leasing is one way to do it. Offer both upfront payment and term financing or leasing. Your customers have different cash flow and budgetary needs. Offer them a choice. Offer a proposal tailored to customer's unique needs.