Final answer:
Choosing a cloud-hosted solution provides flexibility and the ability to benefit from automatic upgrades and alternative service options at the correct answer is 'pay-as-you-go' flexibility, which allows automatic upgrades and seamless shifts to new services as needs evolve with a trusted provider.
Step-by-step explanation:
We chose a cloud-hosted solution for all of our system upgrades, which gives us pay-as-you-go flexibility so we can benefit from automatic upgrades and shift seamlessly to alternative service options offered by the same vendor as our needs change over time. Plus, this is a big-name provider that has been on the leading edge of these technologies for several years already. Hopefully, you and I will both be retired before any more major changes are needed.