A man enters a store with an intention to shop. While shopping, he notices the store clerk going to the back of the store leaving the counter and register unattended. Although he did not intend to steal when he entered the store, the man decides to take advantage of the opportunity. He walks to the counter, takes out the money from the cash register, and then leaves the store. Which of the following crimes did the man commit?

a. Larceny
b. Robbery
c. Embezzlement
d. Fraud