ArriveCan contractor defends $54 million payment before House committee
- ArriveCan contractor defends being paid over $54 million for app
- Contractor claims amount paid was fair "cost of doing business"
- Partner at GC Strategies, Kristian Firth, testified to House committee
- Firth defended amount paid to GC Strategies for ArriveCan app
- Comes after auditor general report criticized ArriveCan costs and record-keeping