TempV Current rate method

this is just part of the information in the question Exchange rates 1 Jan x1= Yen 100 per 31 Dec x1 Yen 125 per Average Yen 111 per dollar Sales= Y500,000 Reported sales in dollars will be: a. $4505 under both temporal and current rate methods b. $4505 under temporal and $500,000 under current rate method Stalla says (a) could some please help why not (b)

Revenues translated under average rate in both temporal and current. 500K/111 = $4505 in both

would yelp in excitement if that kind of question came up on the exam!..doubtful though