Maya Inc, makes and sells a single product, Product R. Three yards of Material K are needed to make one unit of Product R. Budgeted production of Product R for the next five months is as follows:

Aug 13,000

Sep 13,500

Oct14,500

Nov 13,600

Dec12,900

The company wants to maintain monthly ending inventories of Material K equal to 30% of the following month's production needs. On July 31, this requirement was not met because only 3,500 yards of Material K were on hand. The cost of Material K is $0.80 per yard. The company wants to create a Direct Materials Purchase Budget for the rest of the year.

what is the desired ending inventory of material k for Sep