Oregon Lottery officials will present a Beaverton retailer next Tuesday with a $100,000 bonus check for selling the winning $12.6 million Megabucks ticket from March 14. The oversized ceremonial check will be delivered at noon on April 14 to the 7-Eleven at 4715 S.W. Murray Blvd. Cason checked his ticket on St. Patrick’s Day while on a date with his wife and found they had matched all six numbers, according to lottery officials.