Can someone me with this:
item 1 costs: $6.22
item 2 costs: $5.33
item 3 costs: $9.33
item 4 costs: $8.62
item 5 costs: $10.67
discount: 15%
customer a buys 2 of item 1; 3 of item 2 and 5 for item 4. what is the price after discount is applied.