The bucket system effort estimation technique should be used.
What is the estimation technique?
Project estimates can be created using estimation methodologies. These methods assist you in coming up with a reasonable estimate to provide to your customer or another project stakeholder when they ask you to estimate a certain project component. Project managers can use project estimating approaches to predict costs, timelines, and other aspects of an upcoming project. Cost, time, scope, risk, resource, and quality forecasts can all be made with more accuracy thanks to these estimation methodologies. Resource estimation is a method for determining the kind and quantity of resources needed for a future project. These resources might include, for instance, labor from people, materials, tools, equipment, supplies, machinery, etc.
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