1. Topaz reports the following information for its 2019 fiscal year. Third party revenues: Intersegment revenues Expenses 4,500,000 2,000,000 3,000,000 Topaz has 5 customers that have provided it with the following revenues for 2019. Baxter Clarence Felix Howard Stevens 500,000 300,000 100,000 700,000 400,000 Name the customers that Topaz is required to include information about in its disclosure