This week, Tracy Bech, co-author of “The 60-Minute CFO,” tells us that she normally recommends that business owners check 14 performance measures on a regular basis. But during uncertain times like these, Tracy says, there are three in particular to keep an eye on: gross profit margin, operating cash flow, and current ratio. In our conversation, she explains how they work, what they mean, and what to do if they’re flashing red. She also says you can download a free tool to track your cash flow at 60minutecfo.com.