What is a minimum balance? a. the process of balancing your checkbook register against your bank statement b. the largest number of checks you can write in a month c. the smallest withdrawal you can make from a bank account d. the smallest amount of money you can keep in a bank account

In the market for lock washers, a perfectly competitive market, the current equilibrium price is $5 per box. washer king, one of the many producers of washers, has a daily short-run total cost given by tc = 190 + 0.20q + 0.0025q2, where q measures boxes of washers. washer king's corresponding marginal cost is mc = 0.20 + 0.005q. how many boxes of washers should washer king produce per day to maximize profit?