PAT is a tangent to a circle at point A on it, and AB is a chord such that  $$\angle BAT = 72^\circ$$. If C is a point on the circle such that $$\angle CBA = 58^\circ$$, then what is the measure of $$\angle CAB$$ ?

A

$$60^\circ$$

B

$$48^\circ$$

C

$$62^\circ$$

D

$$50^\circ$$