“Then and now”?

The JPEG format is a lossy compressed file format. It can be saved at different levels of quality / compression.

PSD and TIFF are lossless, uncompressed formats.

“Best” is probably a Mac Studio with two 27" displays. Or three.

A MacBook Pro would do the job, as well. Though I don’t see how people can work on such a tiny display.

Question for you: did this come up before the shoot? Did you sign a contract? Was it mentioned at all that you’d get 15 photos for your $1800 price?