Fifo cost,How to adjustment incorrect receipt quantity

Fifo cost method. If the miscellaneous receipt quantity is wrong, how can this error be reversed?

For example：

miscellaneous receipt

transaction_date      ITEM     quantity    unit_cost

2019-01-01              A01           1               10

2019-01-02              A01           2                5

2019-01-02 The transaction quantity is wrong and should be 1

How to make adjustment to issue the quantity 1 with cost 5？

If by miscellaneous issue, the cost is 10!