How to get last purchase price depend upon date in MSAccess

Question

Dear,

I have table called Trn_Purchase

fields are

ItemCode

ItemDesc

PurchaseDates

Price

I want to get the last purchase price depend on date

table have e.g below data

ItemCode	PurchaseDate	Price
A	01-Mar-2010	4
A	02-Mar-2011	6
B	02-Mar-2015	2
B	02-Mar-2013	10

then result should

itemCode	PurchaseDate	Price
A	02-Mar-2011	6
B	02-Mar-2015	2

How to do this

Thanks

Basit.