Problem 3-9 Travel Expenses (LO 3.4) Joan is a self-employed attorney in New York City. Joan took a trip to San Diego, CA, primarily for business, to consult with a client and take a short vacation. On the trip, Joan incurred the following expenses: Airfare to and from San Diego $ 480 Hotel charges while on business 440 Restaurant meals while on business 260 Car rental while on business (she drove 240 miles) 110 Hotel charges while on vacation 460 Restaurant meals while on vacation 290 Car rental while on vacation 180 Total $2,220 Calculate Joan's travel expense deduction for the trip, assuming the trip was made in 2021.