4. Norman traveled to San Francisco for five days on vacation, and while there spent another two days conducting business for his business. Norman's plane fare for the trip was $500; meals cost $150 per day; hotels cost $300 per day; and a rental car cost $150 per day. Norman also had his business suit dry cleaned before a business presentation for $55. He also purchased two tickets ($90 per ticket) and attended a basketball game with a customer How much ($) may Norman include as a deduction from business income