What are the various options of transferring balance from a frontloaded Monthly Repeating Period Acc

Summary

What are the various options of transferring balance from a Frontloaded Monthly Repeating Period Accrual Plan to frontloaded Yearly Repeating Period Accrual Plan

Content

We have a Accrual Plan which has following configuration:
Plan Type : Frontloaded 
Plan Period: Anniversary Year
Repeating Time Period : Monthly

We want to create a new plan with following details:
Plan Type: Frontloaded
Plan Period: Anniversary Year
Repeating Time Period: Yearly

We would like to have the New Plan to be Active starting 01-Jul-2020

What are the possible options for Balance Transfer so that balance matches on both plan as on 30-Jun-2020 and there are no impacts goingforward.