copies. $4.$ The University of Cincinnati Center for Business Analytics is an outreach center that collaborates with industry partners on applied research and continuing education in business analytics. One of the programs offered by the center is a quarterly Business Intelligence Symposium. Each symposium features three speakers on the real$-$world use of analytics. Each corporate member of the center $($there are currently $10)$ receives five free seats to each symposium. Nonmembers wishing to attend must pay $$75$ per person. Each attendee receives breakfast, lunch, and free parking. The following are the costs incurred for putting on this event: $$150$ Rental cost for the auditorium $$8\mathrm{.}50$ per person Registration processing $3$@$$800=$ $$2400$ $$4\mathrm{.}00$ per person $$7\mathrm{.}00$ per person $$5\mathrm{.}00$ per person Parking I thot calculates a profit or loss based on the number of Speaker costs Continental breakfast Lunch$

is $22\%?$

Breakeven appears in the interval of

to

registered nonmembers.

$($c$)$ Consider three scenarios:

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

The highest profit is :

The lowest profit is $