Are you sure the tip is included in the reimbursement? Regardless, I wouldn't tip an unusually high amount just to eat up (no pun intended) the remaining reimbursement. Neither the client or the MSC would appreciate it and you will definitely be memorable. Servers don't forget big tippers
Equal rights for others does not mean fewer rights for you. It's not pie.
"I prefer someone who burns the flag and then wraps themselves up in the Constitution over someone who burns the Constitution and then wraps themselves up in the flag." -Molly Ivins
Never try to teach a pig to sing. It's a waste of your time and it really annoys the pig.