photography pricing

Fellow proffesional photographers can you give me some advice? I was contacted by an art consultation company in Sri Lanka that has a client interested in purchasing my fine art photograph to use in 41 of their rooms in a 5 star luxury hotel there. They want to get a quote from me for a...

I am new to product photography and have recently been doing some work for a friend who is going to be using my images on her website for her products, she said that I better get an idea of how much I will charge because once people see her images they could be asking where she got them done...