Walt Corp. received the following in 2020: $530,000 payment for services $6,000 proceeds on the sale of stock; the stock was purchased in 2018 for $2,000 and sold for $6,000 in 2020 $100,000 in loan proceeds; Walt Corp. took out the $100,000 loan in 2020 and will pay it back over the next 20 years $2,000 interest on a municipal bond $10,000 interest on a corporate bond . . What is Walt Corp.'s gross income for 2020