Marie wants to buy a Paw Patrol lunch bag for her grandson. She finds a great one on Amazon that comes with matching food containers for $$18.$ Marie puts it in her cart but is trying to decide whether she wants to pay for the upgrade to Amazon Prime to get the purchase faster. Marie is at which stage of the consumer decision$-$making process?

a$.$ Evaluation of alternatives

b$.$ Need recognition

c$.$ Information search

d$.$ Purchase