Image credit: Eurogamer Sony has revealed that it has not yet decided on a launch time for the PlayStation 6 console, nor how much it will cost at retail, due to the impact of rising memory costs and other economic factors. The next-generation console has not yet even been officially revealed, but already we can see global events affect PlayStation's decision-making process regarding the release of the machine. Earlier today, Sony hosted its annual corporate strategy and earnings call, which was followed by a Q&A session for investors. During the call, Sony president and CEO Hiroki Totoki responded to one caller, who asked how the on-going memory crisis is affecting the company's approach to its next-generation machine. Totoki replied, via translator, that the company hasn't yet decided when it’s going to release the PlayStation 6 , nor what the final retail price of the unit will be.…