A monitor is first and foremost an Output Device because it displays information already held in the computer. Touchscreen monitors that allow you to input information or to uâ¦se navigational features such as menus, icons and so on are also Input Devices.
The average window installation cost is $4,400. This assumes youâre adding or replacing between 5-10 windows. As you may expect, the more windows you add, the higher your cost will be.
Window Installation Prices. I have just started looking at windows this past weekend and visited a store that carried Marvin, Anderson, and Loewen products. I asked what the average cost per hole was and they quoted about $2000. I have 13 average sized windows so a $26,000 price tag seemed somewhat crazy to me.