# Mathematics of Retailing

posted by
**Michelle**
.

An owner of a laundry shop received an invoice for purchasing 200 bottles of liquid detergent at RM15 each, and 300 bottles of fabric softener at RM8 each. The invoice dated on 6th August 2010. He was offered trade discount 10% and 8%, with cash discount 10/10, 5/20, n/30. The owner paid the invoice on 21th August 2010.

i) Find the amount of payment on 21th August 2010.

ii) Calculate the net price for a bottle of liquid detergent.

iii) Calculate the net price for a bottle of fabric softener.

iv) Find the total markup amount if the owner wanted a 10% net profit based on cost of all items and 15% operating expenses based on cost of all items.

v) Find the selling price of a bottle of liquid detergent.

vi) Find the selling price of a bottle of fabric softener.

*thankyousomuch!*