Respuesta :
Answer:
C. Software as a service
Explanation:
(Leinsta can only use SOFTWARE provided by Serios as a SERVICE
This answer is
D. Software as a service.
Description:
When a software/product get rent for service that's called SaaS(Software as a Service). It's mean software company won't fully sell their product (software) but give rent for a Time by service fee. If you use that software then will be pay when you won't use service then not to pay.