Which rule describes the composition of transformations that maps rectangle PQRS to P''Q''R''S''?

R0,270° ∘ T0,2(x, y)
R0,180° ∘ T2,0 (x, y)
T0,2 ∘ R0,270°(x, y)
R0,2 ∘ T0,180°(x, y)