“as Julie said, just in terms of increases to travel assumed in our overall P&L for '22, it is difficult to predict, but we do have an increased build into particularly in the back half of the year for some travel costs.”

In context

“ie Sweet: So, I'll let KC answer specifically, but I will say that if any of us can actually predict, how we're going to go to the office, I'd like to meet that person. It is good to say, it's been a humbling experience, right? How many times have we all gotten ready to go back and I don't know about you, but like five different things that we're going to be in person the next two months, I've just turned back to Zoom or Teams. So, it's been an interesting time the new normal but KC, why don't you take us through just to see assumptions we're using? KC McClure: Yes, so Ashwin, just I'll first start with revenue, our revenue guidance the 12 to 15, it does not include any specific up tick from reimbursable travel, and if that assumption changes will reflect that in our updated guidance. And as Julie said, just in terms of increases to travel assumed in our overall P&L for '22, it is difficult to predict, but we do have an increased build into particularly in the back half of the year for some travel costs. Ashwin Shirvaikar: Got it. Thank you for that. Operator: And our next question comes from the line of Jason Kupferberg with Bank of America. Please go ahead. Jason Kupferberg: Thanks, guys. Good morning. I wanted to start just with the visibility question. The reason I asked is obviously your cost of currency revenue growth here in Q4 was quite robust. So, it wasn't really above the top end of your guidance, whereas in recent quarters, you had been handily exceeding the top end of your expectation. So, I'm just wondering, is this simply because your visibility has improved, so you've gotten more comfortable, you don't necessarily need to put extra cushion into the guidance or did some bookings not ramp as fast as expected in the quarter and then just a related question for fiscal '22 as y”