In equilibrium, group of answer choices the ratio of marginal benefits to income should be identical across all goods the ratio of marginal benefits to price should be identical across all goods the ratio of total benefits to price should be identical across all goods the ratio of total benefits to income should be identical across all goods

the ratio of marginal benefits to price should be identical across all goods.

Explanation:

In equilibrium, the ratio of marginal benefits to price should be identical across all goods.

marginal benefit is the the maximum amount of money a customer is willing to pay for an additional good or service. The consumer satisfaction tend to decrease as the consumption increases. And for equilibrium to exist  the ratio of marginal benefits to price should be identical across all goods

d.7.5cm is your answer