Prove this: using natural deduction! 1. N↔P /∴(N→R)↔(P→R) pls

Prove this: using natural deduction! 1. N↔P /∴(N→R)↔(P→R) pls
Prove this: using natural deduction! 1. N↔P /∴(N→R)↔(P→R) pls