Estimate the cost of the following items of equipment: 

1. A packaged boiler to produce 20,000 kg/h of steam at 40 bar; 

2. A centrifugal compressor, driver power 75 kW; 

3. A plate and frame filter press, filtration area 10 m² ; 

4. A floating-roof storage tank, capacity 50,000 m³ ; 

5. A cone-roof storage tank, capacity 35,000 m³ .