Is it more expensive in the long run?
No virus software to update every year - big saving.
Apple machines have a longer life than PCs, and retain more of their resale value.
Less support needed, so cheaper for businesses, schools, etc.
The overall cost of owning a Mac has often been shown to be less than that of a PC.
Also you need to look at VALUE, not PRICE, there is a difference.
What value do you add for best industrial design, ease of use, OSX, quality, etc.