33. Bonita Industries reported the following results from the sale of 5000 hammers in May: sales $200000, variable costs $120000, fixed costs $60000, and net income $20000. Assume that Bonita increases the selling price of hammers by 10% on June 1. How many hammers will have to be sold in June to maintain the same level of net income?

a) 4000

b) 4255

c) 4545

d) 5000