Hi, i am staying in a terrace house and would like to tint my kitchen window...the type i want would be those who people can't see me from outside even though there's lights inside or there's sunlight outside ..currently my window type is people cant see me in the day but they see through when it is nigh.. ..my window measurement is approximately 8x13 inches x 6 piece of glass per window...please quote me how much per window with installation...