Use the information below to answer this question

Date.............QTY. .....RATE........TOTAL
...............(Units).....N...........N
January 2nd.....500........25..........12500
March 7th.......250........28..........7000
Issues were made as follows:
Date............QTY. (uNITS)
January 9th .....200
February 14th ...200
March 11th ......200

The value of closing stock as at February 14th by simple average method is