Elisa spends $1,000 on business lunches to entertain her customers at the local country club. The club charges an annual membership fee of $800. Elisa uses the facility 80 percent of the time for...

Elisa spends $1,000 on business lunches to entertain her customers at the local country club. The club charges an annual membership fee of $800. Elisa uses the facility 80 percent of the time for business. Her employer does not reimburse her for any of these expenses. What is her deductible expense?