How to make a java app to input one marketer’s sold items sold for the last week and to calculate and display marketer’s earning

Question

Company pays its marketer in commission receiving 400 per week plus 7% of gross sale for that week.i.e a salesperson who sells 40,000 worth of merchandise in a week receives 400 plus 7% of 100,000 or total of 1100. The list shows value for items sold by each marketer:
Item. Value
1. 259.4
2. 349.75
3. 100.95
4. 300.19

Answer 1

What have you done so far? You can't just ask people write code for you when you don't show any effort, do you?