Sony Ericsson, the joint venture in which Ericsson (NASDAQ:ERIC) has 50% of the shares and is accounted for according to the equity method, today reports its Q4 and full year 2011 results.

ENGADGET: Sony Ericsson swallows $317 million pre-tax loss as end draws near

Moreover, the convoluted method of determining what common equity is reinforces the belief that no one really knows, or can calculate, what capital is by looking at a bank statement.

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My Lynch-based method also likes financial intermediaries to have an equity-to-assets ratio of at least 5% and a return on assets of at least 1%.

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