Tuition Reimbursement - Taxable

My employer paid me $2040 in TAXABLE tuition reimbursement in April 2024 (for classes taken 01/03/24 - 03/06/24) , and then another $2040 in July 2024 (for classes taken 04/01/24 - 06/30/24).  I have another request for reimbursement for $8000 for classes taken 07/01/24 - 09/29/24. 

My understanding is that the maximum taxable reimbursement I can receive per CALENDAR year is $4750.  Given I've already received $4080 this year, does that mean they can only reimburse me $670 for this last part of my reimbursement, or should they be paying me the full $8000 that I submitted for?