Set `A={1,2,3,.....10}` find the number of subsets of `A` such that the product of all the elements in the subset is even (A)`2^(51)(2^(50)-1)` (B) `2^(50)(2^(50)-1)` (C) `2^(50)(2^(51)-1)` (D) `2^(51)(2^49)-1)`