On April 1, Bob the Builder signed a month-long contract to build a barn for NolanBob is guaranteed to receive a flat fee of $ 5,000 for his services, plus a bonus depending on when the project is completed. Nolan offered to pay an additional $ 1,500 of the flat fee if the project was completed 2 weeks early. The probability of ending 2 weeks early is 30. What is the price of this contract for Bob under the expected value method?

a $ 6,050

b $ 5,450

c. $ 6,500

d. $ 5,000