IBM claims that its PS/2 business has been growing faster than the market as a whole this year, but to keep the pot boiling in the US for the vital fourth quarter, it has launched a Grand Scale Sale promotion that runs out on January 15, 1991, under which it will offer six applications free with PS/2 Models 25 through 65, and coupons for discounts on some printers: the six programs, which have a total list price of over $600, are the LotusWorks integrated spreadsheet, graphics, communications, word processing, spell checking, and database; the Quicken financial management program, which prints cheques, manages cash, assets and liabilities, generates tax reports and performs calculations; the PFS: First Publisher 3.0 desktop publishing program; the Calendar Creator Plus 3.02 diary program; PGA Tour Golf, a three dimensional simulation of world-class courses on which golf professionals play; and Lotus Magellan 2.0 file navigation program for finding your way through the other five programs; IBM also is offering a $150 rebate when users buy the PS/2 Model 30-286, Model 50Z or Model 60 and an IBM operating system, and a $300 rebate on the Models 55SX or 65SX with operating system; they can also get $75 off a Proprinter or LaserPrinter E, and $150 on the IBM Laserprinter.