Prairie Partnership has four equal partners, Dodd, Crank, Pick, and Mack. Each of the partners had a tax basis of $320,000 as of January 1, 20X5. Prairie’s 20X5 ordinary business income was $152,000 before deducting any guaranteed payments to the partners. During 20X5, Prairie paid Mack guaranteed payments of $4,000 for deductible services rendered. During 20X5, each of the four partners took a distribution of $50,000. What is Mack’s tax basis in Prairie on December 31, 20X5?