Mazda CX9 AWD TC rear differential and transfer case oil change

This is my Wifes 2016+ Mazda CX9 AWD Azama TC, which we did an oil change on the front and rear differential, due to it being at 120,000km and having its major service done next week in a garage for the Full History Stamp.
Items needed:
1) 2 quarts of LONG LIFE HYPOID GEAR OIL - SG1 - Mazda (0000-77-SG1-QT)
2) 23MM shallow socket for fill plug
3) 24MM shallow socket for drain plug
4) 4 pieces of drain plug gasket (9956-41-800)
5) Fluid pump
Please note owner's manual states approx 0.45qt (15oz) for transfer case and approx 0.45qt (15oz) for rear diff.
I am an armature that has been fixing and modifying my own cars for 30 years. I am no mechanic or auto electrician, the last 30 years have just been about the enjoyment of tinkering with my own cars with some creativity.