Cake, What to do?

This is a continuation of previous post; No Cake today or any day.

I arrive at work to a very empty looking department since it is first day after the store being closed for Christmas. (here it is closed two days as they have Boxing Day)

To me the goal should be, cleaning and making the department look full again. I will be alone until 9:00 am. Get those buns out ASAP. But, low and behold there is a cake order for this morning and no cake decorator scheduled for today! What to do? I was told, in no uncertain terms, "You do not do Cakes!"

I wake up the Bakery Manager at 6:30 am to ask if I should call the Decorator?
"No, you can do the cake."

A pause of silence, then scared, right or wrong, I said "I don't do cakes. Besides, I'm busy getting bread and buns baked and on the self."

The Manager arrived around 7:00 am obviously irritated. She decorated the cake in record time and left. The air was thick with silence. The rest of the day was non-stop as usual as there is always plenty to accomplish before quitting time at 2:00 pm.

My feelings are mixed. I really do like working here. Just wish I could figure out what went wrong to make my life here so tense with the Manager?