A Contractor Is Planning To Build A Concrete Wall Which Is 15 Feet High 100 Feet Lon 3280696

A contractor is planning to build a concrete wall which is 15 feet high, 100 feet long, and 18 inches thick. The contractor has enough forms to erect 200 square feet of wall at a time. The unit cost for form labor and material is $5.50/SF for the initial concrete placement. Forms will be re-used. Form costs are 20% of the initial for each successive concrete placement. What is the total formwork cost to construct the wall?