RKH Company is a small consulting service based just outside Los Angeles. It has two partners, Sebastian and Viola, and average monthly sales revenue of $25,000. At any one time, Sebastian and Viola have up to three consulting engagements running simultaneously. Monthly expenses include office rent, supplies, utilities, professional magazine subscriptions, and automobile expenses. What form(s) of information technology, if any, should Sebastian and Viola use in their accounting information system? Explain the costs and benefits of your recommendation.