Is McDonald's breakfast all day a good idea?

 McDonald's business is now booming more than ever. They're selling more breakfast now than they have ever before,but with all good things comes some bad. Although McDonald's is selling like crazy,they're also paying like crazy. They now need the same crew that cooks the breakfast to stay longer,and need the machinery that assists in creating the breakfast to stay working. With just that said alone,I know they're running around like crazy trying to complete just five orders.