From: Subject: Javier, Chief Financial Officer Battery Purchase The facilities group wants to install a battery-powered warehouse monitoring system. A normal set of batteries costs $150, runs three hours before recharging and can be recharged 500 times The long-life batteries cost twice as much, run five hours before recharging, and can be recharged 500 times. If we want to minimize cost, which set of batteries should we buy? The normal-life battery The long-life battery They are both the same I need more information