Questions $88-89$ are based on the following information.

An enclosed Cofferdam Structure measures ${60}^{\text{'}}$ wide ${40}^{\text{'}}$ long ${15}^{\text{'}}$ deep with a $3^{\text{'}}$ toe and has the following characteristics:

$\backslash$table$[[$MATERIALS:$,$SIZES,PRICES$],[$Wood piling $3^{\text{'}}$ toe,$2^{\text{'}\text{'}}{8}^{\text{'}\text{'}},$$$\frac{470}{M}BF$