Answer:
(A) Underapplied (2,300)
(B)
Cost of Goods Sold debit 2,300
Factory Overhead credit 2,300
It increase their COGS by 2,300 Their Gross Profit will decrease by the same amount
Step-by-step explanation:
(A)

227,550 / 12,300 = 18.5
APPLIED ACTUAL HOURS X RATE
11,800 \times 18.5 = 218,300
ACTUAL (221,000)
Underapplied (2,300)
(B)
It increase their COGS by 2,300 Their Gross Profit will decrease by the same amount
Sales - COGS = Gross Profit
Sales - (COGS + 2,300 adjustment) = Gross Profit
Sales - Cogs - 2,300 = Gross Profit
The gross profit decreased 2,300