this is a C++ help with the code according to the requirements indicated

This program is based on Chapter 2 Programming Exercise 13 on page 119. Prompt the user to enter the original price of an item, the mark-up percentage used by the store, and the sales tax rate. Calculate, and output with labels, the store's selling price, the sales tax dollar amount, and the final price (including tax) paid by the customer for the item You must turn in: (1) Your algorithm, in English statements; formulas may be used to show the calculations needed, and variables used in the formulas need to be identified. (2) Y our source program, including comments which identify the algorithm steps being done by each part of the program