[MUST SHOW WORK] The store owner in a competitive market sells 1,000 milkshakes per day at $2.00 each. For environmental reasons, the store owner decides to switch to paper straws. These straws costs 3 cents more, so that average cost of a milkshake is now $1.03. How much profit does the store receive now?

Select one:

A.$2000

B.$600

C.$1000

D.$970

E.Not enough information to calculate profit.