if price of t.v set is reduced by 22%, then its sale increases by 86%, find net effect on sale value	Choose the correct choice from the following options:
A) 44
B) 45
C) 46
D) 47
E) 48

Rationale: "- a + b + ( ( - a ) ( b ) / 100 ) = - 22 + 86 + ( - 22 * 86 ) / 100 = - 22 + 86 - 19 = 45 answer : b"
Answer: B