PLEASE WRITE IT DOWN NEATLY AND CLEARLY.

Bongaigaon Refineries wishes to install an air pollution control system in its facility situated in Assam. The system comprises of four types of equipments that involve capital investment and annual recurring costs as given in Table 6.1. Assume a useful life of 10 years for each type of equipment, no salvage value and that the company wants a minimum return of 10% on its capital. Which equipment should be chosen