please answer ASAP will like

Wilco Inc. agrees to purchase of 10,000 calculators from Seminole Corporation on June 1. Seminole delivers the calculators to Wilco on June 5. Wilco prints a check to pay for the calculators on June 19, and Seminole receives the check on June 21. Assuming Seminole uses the cash basis of accounting, on what day should Seminole record sales revenue associated with this transaction? June 1 June 5 June 19 June 21