How does cloud$-$based software rental benefit businesses in terms of scalability?

a$.$ Cloud$-$based software provides physical servers on$-$site, offering the flexibility to scale up or down as needed

b$.$ Scalability is not a concern for cloud$-$based software, as it remains fixed regardless of business requirements

c$.$ Businesses can easily upgrade their hardware to enhance scalability when using cloud$-$based software

d$.$ Cloud$-$based software enables businesses to quickly scale their software usage based on demand, without significant hardware investments

e$.$ Cloud$-$based software allows businesses to purchase unlimited software licenses, ensuring maximum scalability