In $2023,$ the CEO of Crimson, Inc., entertains $6$ clients at a skybox in Memorial Stadium for a single athletic event during the year. Substantive business discussions occurred at various times during the event. The box cost $$11,950$ per event and seats $8$ people. $($The cost of a regular, nonluxury box seat at Memorial ranges from $$50$ to $$100.)$ Refreshments served during the event cost $$1,070.$

How much of these costs may Crimson deduct?

$fill in the blank $1$