The General Services Administration has a new tool to help contracting officers figure out how much they should pay for work. CALC.gov lists pay rates across eight professional services categories, with 48,000 labor categories and at least 5,000 GSA contracts. But the rates listed on the site are the highest prices contracting officers could pay, not the lowest. The 18F Innovation Lab built the tool and says acquisition officers should make better purchases with more access to more information. Stan Soloway, president and CEO of the Professional Services Council, tells In Depth with Francis Rose why he’s not so sure.