Consider the following program in Scheme: What does this programprint? What would it print if Scheme used

Question:

Consider the following program in Scheme:
(define A (lambda () (let* ((x 2) (C (lambda (P) (let ((x 4)) (P)))) (D (lambda (() x)) (B (lambda () (let ((x 3)) (C D))))) (B)))) What does this programprint? What would it print if Scheme used dynamic scoping and shallow binding? Dynamic scoping and deep binding? Explain your answers.