Assume that you have the following definition of a struct. struct partsType { string partName; double price; }; a. Declare an array, products, of 20 components of type partsType. b. Write a C++ code to store the first component of products as follows: partName :printer, price: 150 c. Write a C++ code to output the name of first part. Q5) To use a vector object in a program, which header file must be included in the program? Answer: Q6) What do the following statements do? a. vector list(50); b. vector nameList;