To update the date wise pricing in item master in Bulk, follow these steps:
Step 1: Take the latest backup of your data.
Step 2: Go to administration section then click on Bulk updation menu
Step 3: Select Multiple item creation and modification then tick on modify existing master and select Name or Alias in key field.
Step 4: Click on select fields and select the required field along with item sales price and purchase price then click on save.
Step 5: Now, Load the master then tick on update date wise pricing and update the date.
Step 6: Now, Update the pricing for item and save the details.