Which indexing change most reduces write RU charges on a write-heavy container where only two fields are ever filtered?
- A Switch to a custom indexing policy that includes only those two paths (correct answer)
- B Enable analytical store
- C Increase provisioned throughput
- D Change consistency to Eventual
Shortcut: By default every property is indexed, and each indexed path adds write cost. Excluding unused paths (or including only the queried ones) directly lowers write RU charges.