Corin works in the IT department of a law firm specializing in real estate closings. The firm is already using G Suite (web-based Google apps) productivity software for office staff, and it recently acquired a company-wide license for Zoom, an online video conferencing app. The next, more audacious target is their billing software. The company has been using an antiquated program for more than 20 yearslonger than most of their staff has been employed. One accountant has been with the firm for nearly 30 years and remembers when the firm first started using this billing software. She says everyone hated it even then. Corin has been asked to make a recommendation as to how to proceed with this phase of the migration. Given these conditions, what is the best approach to migrating the billing functions to the cloud? a. Rehost b. Replatform c. Retire d. Replace