Activity Price shows differ in Std Cost Estimation & Production Order(comp)

Hi PC Experts,

I am facing issue in Target & Actual price for Activity when my it remain same at Std Cost Estimate & Production order Confirmation.

Activity price in KP26 as below:

Activity price

Mach Hr 100

Labour Hr 100

When I did Std Cost Estm activity price deteremined as below:

Mach Hr 95.5

Labour Hr 95.5

When a production order confirmed:

Mach Hr 100

Labour HR 100

I have deleted the cost Estimation in CKR1 and re-calculated the cost in CK11N. But still getting same error. Please let me know how to fix this issue.

Thanks & regards

YJ