Microsoft is set to cut pricing of Windows 8.1 by 70 percent for computer and tablet manufacturers, according to Bloomberg, partly due to increased competition from both Apple and Google in the PC space. Stronger competition from Apple Inc. (AAPL) and Google cut revenue last quarter at Microsoft’s devices and consumer licensing division, which includes Windows software, as the computer industry posted its biggest annual decline on record. By offering incentives for PC makers to sell cheaper models, Microsoft may be able to increase its share of the growing $80 billion tablet market and stave off Chromebooks, notebooks that run Google’s operating system.Under the new terms, manufacturers will