Apple has announced plans to start offering substantial discounts on both Macs and iPads, according to a new report. According to 9to5Mac, Apple CEO Tim Cook announced the discount plan—which offers a $500 discount on purchases of Macs and a $250 discount on purchases of iPads—at yesterday’s employee-only Town Hall event. The report claims that the discount program will go live in June, and that employees may only use the discount…