please answer question 3 based on question 1 i'll upvite you(urgent)

Question 1 (6 marks) Assume you are creating a stack class. Given the student information as Date, Item, Qty, UnitPrice, and Amount. Please define a SalesNode to be used for creating a linked list. class Sales Node public: I continue Question 3 (6 marks) Continued from Question 1, complete the code for getTotalAmount function as follows:- float get TotalAmount() { /* This function is to sum the amount in the linked List and return the sum amount to the calling statement / ...... continue...... }