Answer:
Financial advantage $33,700
Step-by-step explanation:
$
Sales at the split-off point ($13 × 7,000) 91,000
Sales after the split off point ($19 × 7,000) 133,000
Additional sales revenue 42,000
Further processing cost (8,300)
Financial advantage 33,700
Financial advantage $33,700
The joint costs of $80,000 is irrelevant for this decision. Whether or not the product is processed further they had already been incurred.