Which usage rule would be used to retrieve scalar measurements and convert the total from...

The Get Scalar Details and Apply Formula usage rule is used to retrieve scalar measurements from the measuring components installed at the usage subscription’s service points and apply a formula to the total quantity1. This rule can be used to convert the total from one unit of measure to another by using a factor that has a Factor Class of “Number” and a Factor Type of "Conversion"2. For example, this rule can be used to convert the total consumption from cubic feet to therms by applying a factor that multiplies the cubic feet by a conversion rate2. Therefore, the correct answer is B. Get Scalar Details and Apply Formula. References:

Get Scalar Details and Apply Formula

Configuring Usage Calculation Rules