3 x 5 .................... 4 mb
4 x 6 .................... 6.25 mb
5 x 7 .................... 9 mb
6 x 8 ................... 12.5 mb
8 x 10 ................. 21.75 mb
11 x 14 ................ 40 mb
16 x 20 ................ 82.5 mb