OC signed a contract to provide office cleaning services for an entity for a period of one year from 1 October 2009 for a fee of 500 per month. the contract required the entity to make one payment to OC covering all twelve months service in advance. the contract cost to OC was estimated at 3000 per month for wages material and administration costs. OC received 6 000 on 1 October 2009. how much profits/ loss should OC recognise in its statement of comprehensive income for the year ended 31 march 2010?

a 77 500

b 77 200

c 77 900

d 77 000