Day 1: Conley sent a fax to Raleigh’s office: “We offer to provide you with widget-covering services for $1,000 per month for six months starting January 1.”

Day 2: Raleigh sends a letter via U.S. mail to Conley: “I accept your offer of Day 1.”

Day 3: Conley telephones Raleigh and tells him: “I revoke my widgetcovering offer of Day 1.” Upon hearing this, Raleigh states, “Too late, I already put my acceptance in the mailbox!”

Day 4: Conley receives Raleigh’s letter of acceptance on Thursday.