Answer:
The standard cost for one hat is $ 11.65
Explanation:
The standard cost of a hat is determined after consider all the manufacturing costs components in it. Based on the data available, it is calculated as under:
Standard Material  3/4 yards @ $ 4 per yard                $ 3.00
Standard Labor    1 hour at $ 5.75 per hour                $ 5.75
Factory overhead  $ 2.90 per direct labor hour             $ 2.90
Standard cost for one hat                              $ 11.65
The factory overhead has been considered at one hour, which is the direct labor hour in the standard calculation.