On Tuesday, Microsoft revealed that it generated US$835 million from its Surface tablets since the products' debut last fall. The figure came from the company's annual financial report filed with the US Securities and Exchange Commission.

The number was said to be not exceptionally low however, it was less than what Microsoft needed to pay for the tablets' inventory adjustments. The company dealt with US$900 million write-down that signified the expenses for the tablets' price cut and the worth of the associated components. Also, the amount was less than the advertisement costs totalled US$898 million for Windows 8 and Surface tablets.

"We recently reduced the price of Surface RT by US$150. We're confident this pricing adjustment, along with our dramatically expanded geographic availability and distribution channels, will help accelerate Surface adoption and position us better for long-term success," Microsoft's spokesperson said through an email. "Surface is currently available in 29 markets and more than 10,000 retail locations. We also broadened the availability of Surface to our business and institutional customers through a new channel-expansion program that allows commercial customers to purchase Surface devices from authorized resellers in the U.S., and we will be expanding this program to additional countries in the months ahead."