The base price of this Computer is $499.
Because this is back-to-school special
the manufacturer offers limited options.

Intel i5 Pentium, 4GB RAM, 500 GB HD, DVD/CDROM Drive, 2GB 3D AGP
graphics adapter, 15 inch monitor, 32-bit Wave sound card and speakers
Optional Upgrades  
The new calculated price:  
"label" -Number of Shirts
"label" -Number of Colors on Front
"label" -Number of Colors on Back

Make your cake! Round cake 6" - serves 8 people ($20) Round cake 8" - serves 12 people ($25) Round cake 10" - serves 16 people($35) Round cake 12" - serves 30 people($75)