Inventory Analysis

QT$,$ Inc., and Elppa Computers, Inc., compete with each other in the personal computer market. QT assembles computers to customer orders, building and delivering a computer within four days of a customer entering an order online. Elppa, on the other hand, builds computers for inventory prior to receiving an order. These computers are sold from inventory once an order is received. Selected financial information for both companies from recent financial statements follows $($in millions$)$:

$\backslash$table$[[,$QT$,$Elppa$],[$Sales$,$$$52,560,$$$65,800$