Evelyn had gone to sleep early, exhausted from the afternoon.

I took the eighteen-thousand-dollar invoice out of my pocket and laid it flat under the desk lamp.

I began working through the numbers line by line.

Douglas had listed four thousand dollars for premium lighting installations.

He had listed another three thousand for administrative logistics.

Near the bottom of the page, I found the discrepancy.

The sound equipment was billed twice.

Kingsley Logistics claimed a fee of five thousand five hundred dollars for audio routing.