Shop Offered 20% offer for every Shirt, Smith bought a shirt at Rs. 780. and What was the shop's original selling Price?
Choices:	A) 500	B) 550	C) 600	D) 700	E) 975

Rationale: "sp * ( 80 / 100 ) = 780 sp = 9.75 * 100 = > cp = 975 answer : e"
Answer: E