Using the class "ob" given below write a COMPLETE CODE for the two methods "average" an "multiply" inside the boxes provided. - I TOT ob9 SMAM 3 otATJu lot x; ons AT30 Wavlovl 23TRALIA Om o namora w niem ar bns bodom o boa selamos public: 226 ob90; ob90; float average(ob9 ); // Returns the average of the ids of two objects float multiply(int); // Multiply x by a certain factor and return the product o // Write a COMPLETE CODE for average method with function heading. ba // Write a COMPLETE CODE for multiply method with function heading