theater has three seating sections, and it charges the following prices for tickets in each section: section A seats cost $20 each , section B seats cost $15 each, and section C seats cost $10 each. The theater has 300 seats in sections A, 500 seats in section B, and 200 seats in section C. Design a program that asks for the number of tickets sold in each section and then display the amount of income generated from tickets sales.

The program should validate the number of tickets sold for each section

Requirements: pseudocode (writing the algorithm in structured english) and flowchart using Raptor.