You would need to ask Apple those questions. Here are some links that might be useful starting points.
Apple Repair and Repair Status Check - Official Apple Support
Apple Trade In - Apple
"It depends on the device, model, manufacturer, and condition. Answer a few questions accurately, and once we receive the device within the specified time frame and verify its condition, you’ll most likely receive the full amount of the estimated refund."
A pop-up window of "iPhone Trade In Values" says that the estimated trade-in value for an iPhone 13 (base model) is "up to $250 [USD]". I would assume that is for an iPhone 13 with 512 GB of storage that is in working order. You have an iPhone 13 with 128 GB of storage with broken back glass, so I'm sure its trade-in value would be less.