What is the unit digit in {(6374)1793 x (625)317 x (341491)}?  Choose the correct answer:	A) 0	B) 2	C) 3	D) 5	E) 7
Explanation:   Unit digit in (6374)1793 = Unit digit in (4)1793   = Unit digit in [(42)896 x 4]   = Unit digit in (6 x 4) = 4   Unit digit in (625)317 = Unit digit in (5)317 = 5   Unit digit in (341)491 = Unit digit in (1)491 = 1   Required digit = Unit digit in (4 x 5 x 1) = 0.   0NSWER IS 0
<result>A</result>
What is the unit digit in {(6374)1793 x (625)317 x (341491)}?