Grubhub controls about 13 percent of the U.S. meal delivery market, versus nearly 60 percent for DoorDash and 24 percent for Uber Eats, and Grubhub records lower sales per customer than its main rivals. Grubhub is also at a cost disadvantage with rivals because its internal costs are higher than those of its rivals. Identify two analytical tools that Grubhub can use to assess and restore cost parity.