Toysrfuss, a national toy store is creating a new e-front for Order processing. Customers have to create an account to transact with them, although an account is not required for browsing the catalog. Customers can browse items and add them to a shopping cart. They can then proceed to checkout. At this time, they can update quantities and submit the order. What technologies may be best suited for this application?

a. JSP for presentation and Servlets as controllers.
b. Servlets for presentation and JSP as controller.
c. Stateless Session Bean for Shopping cart.
d. Stateless session bean for catalog retrieval.
e. Stateful Session bean for shopping cart.
f. Stateful session bean for Order update.
g. Entity bean for Catalog retrieval.
h. Entity bean for Order update.