[Solved] To reduce subjectivity in the budgeting process and gather as much information as possible,management often enters past sales data into which of the following regression models to obtain a statistical estimate of factors affecting sales? A)econometric model. B)input-output model. C)Delphi model D)none of the above. Physical Characteristics: Observable attributes or features of an organism, including size, shape, texture, and color, that result from genes and environmental influences. Phenotype: The set of observable characteristics or traits of an organism resulting from the interaction of its genotype with the environment. Microscopic Characteristics: Features or properties of organisms or substances that are too small to be seen with the naked eye and require a microscope to be observed. Widow's Peak: A V-shaped point on the human forehead hairline due to a specific genetic trait.