What is the resolution?

You are creating a new indexer which must run after the targetrule_product_rule index process. When you run bin/magento indexer:reindex, your rule always runs first creating inaccurate data.

What is the resolution?
A . Use a dependencies node in your indexer configuration.
B . Specify the sortOrder in your indexer configuration.
C . Use a plugin on the IndexManager class to change load order.
D . Create a bash script to execute each indexer in the correct order.

Answer: A