Help me identify an Uncle Scrooge McDuck comic

My sister and I were reminiscing recently about the comics that we used to read when were children in the 1970s. We particularly liked the Uncle Scrooge comics. There was one that started off with Uncle Scrooge receiving the end of year financial reports from all of his operations throughout the world. All of the operations showed good returns, except for one, thus ruining Scrooge’s year. He, Donald and the nephews promptly travelled to the delinquent operation to find out what was going wrong.

So what comic was this? And where was the operation? Our hazy memories thought it might have been somewhere in Asia, possibly mountainous?

I think there may have been more than one that started that way.

Eutychus would probably know the answer to this one.

It’ll probably be somewhere on this list. (Probably one of those with “Hero” = “Uncle Scrooge”.)