You Are More Likely to Repair a Leaky Drainpipe Yourself

You are more likely to repair a leaky drainpipe yourself than hire a plumber if _____.

A) the tax rate on your earned income dramatically decreases.
B) the opportunity cost of your time increases.
C) you possess less knowledge and experience in plumbing repair work.
D) you need to purchase the specialized tools required to complete the repair work.
E) doing the job yourself reduces the transaction costs.