c++

2. Using the class "c1" given below write a COMPLETE CODE for the two methods "sum" and "multiply" inside the yellow boxes provided. class c1 { float f; public: c1(); -c10); float multiply(int); // Multiplyf by a certain factor and return the product float sum(c1 ); // Returns the sum of the ids of two objects }; // Write a COMPLETE CODE for sum method with function heading. // Write a COMPLETE CODE for multiply method with function heading