A) A and G production =240+180=420 (not greater than 500) B) B and F production =165+75=240 (is less than 250) C) C and E production =315+390=705 D) D and G production =135+180=315 (not less than 200) E) E, F and G production =390+75+180=645( not equal to 545) Only (B) and (C) are true. Answer is option B.