Provide an appropriate response.
Elvira purchases 18 Halloween masks for a party. If her total bill was $107.10, estimate the average cost of each mask by rounding to one nonzero digit. Find the exact cost.
A. $2,000; $1,927.80
B. $5.50; $5.95
C. $5; $5.95
D. $10; $5.95
Answer: C
Mathematics
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