Answer and explain the following problem.

If vector itemPrices(3); has elements {45, 22, 38} The answer for each question DOES NOT depend on the previous answer. 1) What does int price = itemPrices.pop_back(); assign to price? Write "error" if this statement cannot be executed. 2) What does int price = itemPrices.back(); assign to price (or "error")? 3) What is the vector after itemPrices.back(); is called (or "error")? 4) What does itemPrices.at(2) return after itemPrices.pop_back() is called (or "error")? 5) What is the vector after itemPrices.push_back(17) is called? Write error if appropriate