J Inc. incurred (and paid) the following expenses in the current year: $10,000 for advertising in a foreign trade magazine that is distributed to customers in Canada, $5,000paid to a registered charity, $6,000 annual dues to a golf club used by executives to entertain customers, and $4,000 to sponsor a local softball team. Determine the amount that J's net income for tax purposes will decrease in the current year due to these expenses.