Which of the following is an example of Error of Commission? O a. Purchase of goods of OMR 15000 entered twice in the accounts O b. Purchase of goods OMR 15000 were entered in Merchandise inventory account only O c. Purchase of goods OMR 15,000 were not entered in both the accounts O d. Electricity expense of OMR 150 was entered in OMR 150 in Telephone expenses account