Answer:
$ 391
Explanation:
It is mention in question that Mrs. Hollern earn 8.5% as commission for every piece of Necklace she sells
Now she sells a necklace cost $ 4,600.
so as per her commission she will take 8.5% of total necklace cost
Thus she will take 8.5 % of $4,600
I.e
Or,
Or, $ 391
So it is found that she will get $391 as commission .