A- market research is requested from you regarding the construction equipment to be used in excavation works at a port construction site. In general, leveling excavation will be carried out on the land surface at the construction site, and the brand, model, year, working hours, remaining hours of 9 construction machines, including 3 excavator loaders (excavator), 3 trucks, and 3 cylinders (soil), will be used for this work. Enter the data you find in the table below by doing a comprehensive market research with the life, rent, price if we buy, basic features, as well as the titles you will add. Brand Model year Hours 1.Excavator 2. Excavator 3. Excavator 1. Truck of Operati on (How many km?) 2. Truck 3. Truck 1. Cylinder (Earth) 2. Cylinder (Earth) 3. Cylinder (Earth) Remaining Basis Life Properties Rent Price b- The current technical information you have found on the internet about the 3 brands you have chosen while processing the information in the table, and the breakdown status, fuel status, rent/price, etc. mentioned in the user comments. Please explain in detail which of the points you consider in your selection. In summary, why did you sift through so many brands and decide on these 3 brands? c- Select 1 of each of the excavator, truck and roller (soil) machines that you have reduced to 3 as a result of your research. When making this choice, explain in detail why you eliminated the other 2 options by comparing the machines with each other. d- Analyze the profitability and risk situations in terms of purchasing or renting these machines, taking into account the remaining life of the excavator, truck and roller (soil) machines that you have decided on in a.C, and the current market data in terms of leasing or purchasing. Please write the sources you found by researching and used in your answer (including the price information of sahabinden.com) in the continuation of the question under the title of 'References' according to the Harvard Reference system