a. 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.

b. Most accounting information systems in use today employ principles of debit and credit for recording transactions. What are the costs and benefits of using the debit/credit system for transaction recording? If the system is destined to fade into disuse, what do you think will replace it?