In a triangle ABC, CA is produced to P, ∠ BAP = 126°. If ∠ABC ∶ ∠ACB = 5 ∶ 2, the degree measures of ∠B and ∠C are respectively:
1
90° and 36°
2
84° and 42°
3
78° and 48°
4
70° and 56°