Product Cost by Period (Event Based) only posts WIP ( reporting point is required) and total price differences in an event-based approach.to split variance into the variance categories is done via Postprocess Event-Based Postings - Product Costing (J...

here is the link for product cost by period:https://community.sap.com/t5/enterprise-resource-planning-blogs-by-sap/transition-to-event-based-production-accounting-in-sap-s-4hana-cloud/ba-p/13577714#_WhatLookLike 

Hallo Nagendra,Thanks a lot for your feedback, we will consider this. and will link to this blog once its available.