Problems for My costs have risen since I priced the job

My costs have risen since I priced the job? Every problem we cover, on one page.

Problems

Find the one that reads like your problem. Each page explains what is actually happening and the way out of it.

The tender wants one price for the whole package, the work runs for nearly two years, and our main materials move every month.

We priced the package in the winter, heard nothing, and now an order has arrived at our old price with our materials much dearer.

We priced the frame at one steel price, and by the time we came to buy it the supplier wanted a fifth more.

There's no fluctuations clause, our suppliers have all put their prices up, and the main contractor says that's our problem.

The subcontract had a fluctuations clause, we claimed the rises at the final account, and the main contractor says the notices were never given.