Father Adam Royal - Retreat Leader The total cost will be $20 per person, payable now or at the Retreat. The price will include continental breakfast, lunch, coffee, tea, and soft drinks. For reservations or information, call Justin Mach at 309-210-2293 or email at [email protected]. Send check (made out to the KofC 12633) to 1115 Long Branch Drive, Knoxville, TN. 37922.