I really need help answering this thankyou po

Seksyong Walang Pamagat The following data related to a construction job started by DDD ERECTORS during the year 2012 Total contract price P100,000 Actual costs during the year 2012 20,000 Estimated remaining costs 40,000 Billed to customer during the year 2012 30,000 Received from the customer during the year 2012 10,000 5. Under the percentage of completion method, how much should DDD 1 point ERECTORS recognize as gross profit for the year 2012? * O a. PO O b. P13,333 C. P 26,667 O d. P 33,333