The birthday rule is used to determine the: a. coinsurance amount

b. birthday of the dependent child

c. date to pay a claim

d. primary and secondary policyholders

Ray gives his son, mason, three bowls. these bowls have the same capacity, but each one differs slightly in its shape and size. ray tells his son that one of the bowls can hold more liters of oil than the other two bowls. mason points out that all the bowls, though may appear different in size and shape, can store the same volume of oil. in this case, ray was most likely testing mason's concept of