Please explain how to obtain the above answer.

55. Nerang Orange Farms Ltd has orange trees that on 30 June 2012 had a fair value of S1 600 000. On 30 April 2013 oranges with an estimated market value of S300 000 were picked. The costs of picking, sorting and packing paid in cash amount to $150 000. The oranges were sold on the same day for $310 000. An independent valuation on 30 June 2013 reports that the estimated fair value of the orange trees is S1 500 000. What is the net profit of Nerang Orange Farms Ltd for the year ending 30 June 2013 to conform with the provisions of AASB 141 Agriculture? $60 000 B. $210 000 C. $300 000 D. $310 000