Answer: See attachment
Step-by-step explanation:
Allocation rate was calculated as:
Gasoline: 6830/13660 × 100 = 50%
Diesel: 2732/13660 × 100 = 20%
Kerosene: 1366/13660 × 100 = 30%
Cost to be allocated:
Gasoline = 50% × $12000 = $6000
Diesel: 20% × $12000 = $2400
Kerosene: 30% × $12000 = $3600
Check the attachment for further details.