Rental cost for the auditorium: $$150$

Registration Processing: $$8\mathrm{.}50$ per person

Speaker Costs: $,3$@$$800=$$$2,400$

Continental Breakfast: $$4\mathrm{.}00$ per person

Lunch: $$7\mathrm{.}00$ per person

Parking: $$5\mathrm{.}00$ per person

each corporate member registers their full allotment of tickets and $127$ nonmembers register? If required, round your answers to two decimal places.

$

Breakeven appears in the interval of

to

registered nonmembers.

$($c$)$ Consider three scenarios:

round your answers to two decimal places. For subtractive or negative numbers use a minus sign.

The highest profit is $

The lowest profit is $