An admin wants to create new custom metric on the Account product period forecast component . What need to be done to make the metric available on the Account forecast component?
A. Create a custom field on Account Forecast, create a custom of field on account product, map both of new fields in the account forecast setting page
B. Create a custom of field on account product period forecast, , create a custom of field on account product forecast, map both of new fields in the account forecast setting page
C. Create a custom of field on Sales agreement product, Create a custom of field on Sales agreement product period, map both of new fields in the Sales agreement setting page
D. Create a custom of field on account forecast adjustment, Create a custom of field on account forecast adjustment period, map both of new fields in the account forecast setting page