Tom Blum's Wooden Memory Cube

Take 25¢ off the price per cube if you buy 10-24 of that size cube. Take 75¢ off the price per cube if you buy 25 or more of that size.
3-inch (starting at $3.75 each, as low as $3.00 a piece) How many?
4-inch (starting at $5.00 each, as low as $4.25 a piece) How many?
5-inch (starting at $6.50 each, as low as $5.75 a piece) How many?