Answer and Explanation:
The journal entries are as follows:
1. Premium inventory (8,000 × $0.80) $6,400
 To cash $6,400
(being the inventory is purchased for cash)
2. Cash Dr (117,000 × $3.50) $409,500
 To sales revenue $409,500
(Being the cash received is recorded)
3. Premium expense $3,400 (42,500 × 10% × $0.80)
 To Premium inventory $3,400
(Being premium expense is recorded)
4. Premium expense Dr $2,216
 To premium liability $2,216
(Being premium expense is recorded)
Working note
= (117,000 × 60%) - (42,500) × 0.10 × 0.80