The online auction website, Online Sales, pays its vendors half of the selling price of each item sold and deducts a listing fee of $5 per item. Another online auction site, Sales Alive, pays its vendors 40% of the selling price of the items with no listing fee. Complete questions 1-3 below. Item's Selling Price ($) Amount Vendor Receives From Online Sales ($) Amount Vendor Receives From Sales Alive ($) 20 30 40​