Given $$\sqrt 2= 1.414.$$Then the value of $$\sqrt 8 $$$$ + $$ $$2\sqrt {32} $$$$ - $$ $$3\sqrt {128} $$$$ + $$ $$4\sqrt {50} $$is = ?

• A. 0.426
• B. 0.484
• C. 0.526
• D. 0.876