You won a free ticket to see Rihanna perform in Johannesburg. The ticket has a market value of R2000 if you decide to sell it. You value attending the concert at R4000. The cost of petrol, wear and tear on your car to get to and from New York is R500. On the very same night of the concert, you are scheduled to work 6 hours at Maponya's milk and dairy where you rate R100 per hour. As a result, your manager suggests that you find a replacement and the person demands that you pay him R200. What is the opportunity cost of attending Rihanna's concert? A. R1, 300. B. R3, 300 C. R5, 300 D. R7, 300