Vacationers enter Giovanni's Gelateria that prides itself on its bizarre variety of flavors. The owner, Giovanni, is the only employee, so if customer #2 arrives while customer #1 is being served, customer #2 must wait patiently until customer #1 leaves the cash register, gelato in hand. The gelato at Giovanni's is so delightful that customers are willing to wait regardless of how long the line is. The interarrival and service times are distributed as shown in the table.

Range	Interarrival Time (minutes)	Service Time (minutes)
0.000-0.200	3	6
0.201-0.400	6	7
0.401-0.600	9	8
0.601-0.800	12	9
0.801-1.000	15	10

The stream of random numbers for a Monte Carlo simulation appears in this table:

Interarrival	Service
.114	.979
.899	.297
.925	.162
.085	.574
.824	.235
.151	.593
.223	.956
.477	.845

Giovanni sells his gelato at a $5 per customer profit but refunds $1 for each minute that a customer must wait before being served. How much profit does he make on the first eight customers of the day?

	$16
	$18
	$20
	$22

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