B'There are two types of burgers in your restaurant -- hamburgers and chicken burgers! To assemble a hamburger you need two buns and a beef patty. To assemble a chicken burger you need two buns and a chicken cutlet. You have b buns, p beef patties and f chicken cutlets in your restaurant. You can sell one hamburger for h dollars and one chicken burger for c dollars. Calculate the maximum profit you can achieve. You have to answer t independent queries. The first line contains one integer t ( 1 <= t <= 100 ) xe2 x80 x93 the number of queries. The first line of each query contains three integers b , p and f ( 1 <= b, ~p, ~f <= 100 ) -- the number of buns, beef patties and chicken cutlets in your restaurant. The second line of each query contains two integers h and c ( 1 <= h, ~c <= 100 ) -- the hamburger and chicken burger prices in your restaurant. For each query print one integer -- the maximum profit you can achieve. In first query you have to sell two hamburgers and three chicken burgers. Your income is 2 cdot 5 + 3 cdot 10 = 40 . In second query you have to ell one hamburgers and two chicken burgers. Your income is 1 cdot 10 + 2 cdot 12 = 34 . In third query you can not create any type of burgers because because you have only one bun. So your income is zero. '...