Debbie's Checkbook Balance Was $2,715

Debbie's checkbook balance was $2,715.50. She wrote checks totaling $5,298.13 during the month of May. Deposits made during the month were $250.16 on May 1. On May 15, her payroll check was electronically processed for $2980.66; on May 22, a check from the IRS was electronically processed for $2,550. On May 27, she recorded $534.10 for payments debited to her account for auto insurance and utilities. What is her checkbook balance?