Klingon Widgets, Incorporated, purchased new cloaking machinery three years ago for $$6\mathrm{.}9$ million. The machinery can be sold to the Romulans today for $$4\mathrm{.}45$ million. Klingon's current balance sheet shows net fixed assets of $$3\mathrm{.}1$ million, current liabilities of $$1\mathrm{.}6$ million, and net working capital of $$430,000.$ If all the current assets and current liabilties were liquidated today, the company would receive $$1\mathrm{.}4$ million cash.

a$.$ What is the book value of Klingon's total assets today?