3826998 - New Concur Travel - How can I create a travel rule for car lowest rate total cost plus X amount more?

I need to create a rule that verifies the car lowest rate total cost and then triggers for X amount more. How can I set up this rule?

How can I create a travel rule for checking the car lowest rate total cost and allow only X amount above it? How does the rule "Car total cost is [condition] the lowest total cost available plus [difference] [currencyOrPercent]" works? , KBA , CON-EXP-ADM-EML-RUL , Rules , CON-CA-TLS-IEM-IMP , Import Credit Cards , Problem