Pahelp po

13. Total sales: 170,000.00
Rate of Commision:10%
commision:

14. Total sales:420,500.00
Rate of Commision:12%
Commision:

15. Total sales:
Commision: 5%
Commision: 300.

16. Principal amount: 600,00
Rate: 5%
Time: 3 yrs
Simple interest:

17. Principal Amount: 7,200
Rate:
Time: 2 years
Simple interest: 300.00