Lorenzo Is Considering Two Banks for His Checking Account

Multiple Choice

Lorenzo is considering two banks for his checking account. Suny Bank requires a minimum deposit of $100 and charges a monthly fee of $8, plus 5 cents a check. Merchants Bank also requires a minimum deposit of $100, it charges a per check fee of 15 cents but no monthly fee. How many checks would Lorenzo need to write each month to make Suny Bank cheaper to use than Merchants?

A) over 50
B) over 60
C) over 70
D) over 80