Help with computer science assignment please!

BONUS: (4 points) Consider the following program, written in JavaScript-like syntar //main program var x, Y, z; function sub10 var a, y, z function sub20) t Var a, b, z; function sub30 i Var a, x, w; Considering the following calling sequence and assuming dynamic scoping, what variables are visible during execution of the last subprogram activated? 1. Main calls sub2; sub2 calls sub3; sub3 calls subl BONUS: (2 points) Given the following beginning of a class definition for a superclass named clock, how many accessor and mutator methods will be needed to complete the class definition? class clock: price): color, -init-(self, self, shape = shape self.colorcolor self.price = price shape, def a. 1 mutator, 1 accessor b. 3 mutator, 4 accessor c. 3 mutator, 3 accessor d. 4 mutator, 5 accessor