For people who want to save up credits for that expensive computer product while they spend, Apple Computer Inc has joined forces with Citibank to launch the Apple Citibank MasterCard and Visa credit card, which offers rebates on Apple products; holders of the card can earn rebates of up to 5% on all net credit card purchases up to a maximum of $500 per year, and a total rebate of up to $1,500 over any three-year period; the rebate is set at 2.5% on annual purchases of up to $3,000, and is 5% on all annual purchases of $3,000 or more.