c++

Write a program to calculate the cost to paint a wall. Amount of required paint is based on the watl area. Total cost includes paint and sales tax. Note: This program is designed for incrementol development. Complete each step and submit tor grading before starting the next step. Only a portion of tests pass after each step but contirm progress. Read from input wall height, wall width, and cost of one paint can (doubles). Calculate and output the Wall's area to one decimal place using cout fixed e setprecision(1) " Wall areat" wallarea c "sq ex " ft "