$2500 base price for 24 participants + $400 for 4 additional participants + 18% gratuities + GST = $3593.10 - $525 deposit paid = $3068.10 ($2922 before GST)
$2500 base price for 24 participants + $400 for 4 additional participants + 18% gratuities + GST = $3593.10 - $525 deposit paid = $3068.10 ($2922 before GST)