50 pound salt licks and 100 pound salt licks would be categorized as what type of inputs?

The correct categorization of 50-pound salt licks and 100-pound salt licks as perfect substitutes is based on their functionality and usage in agricultural settings. Both types of salt licks serve the same purpose: providing essential minerals to livestock, helping in their health and productivity.

In economic terms, perfect substitutes are goods that can replace each other in usage, meeting the same need. For instance, a farmer can choose either a 50-pound or a 100-pound salt lick depending on availability, cost, or preference, and still achieve the same outcome for livestock health regardless of which option is selected.

The concept of perfect substitutes emphasizes that the two goods are interchangeable without a loss of utility to the user, which fits the scenario of using different sizes of salt licks. This allows farmers to optimize their input choice based on their specific needs, whether it be budget or inventory levels.

Other categorizations, such as perfect complements or supplementary, would imply that the goods are used together or enhance each other in some way, which is not the case here. Competitive inputs would typically refer to items competing for the same market share or customer base without serving the same function. Thus, the relationship between the two sizes of salt licks characterizes