Measure of two quantities along with the precision of respective measuring instrument is A=2.5 ms⁻¹ ± 0.5 ms⁻¹, B = 0.10 s + -0.01 s. The value of AB will be
A.(0.25±0.08)m
B.(0.25±0.5)m
C.(0.25±0.05)m
D.(0.25±0.135)m