Answer: The stage of cognitive development that Reina is in is the The concrete operational stage.
Explanation: According to Jean Piaget's theory of development, there are four stages of development. They are; sensorimotor; preoperational; concrete; and formal operational stages.
The concrete operational stage occurs in children between the age of 7 to 11 and in this stage, the child has learned to think in a logical manner if they are familiar with the concepts. Reina earning A's on her math tests is because she's already familiar with the concepts of multiplication and division.
it is known as GDP per capita
Answer:
option B
Explanation:
the correct answer is option B
Standard cost per unit can be calculated by multiplication of standard price with the standard quantity.
It can be explained with an example
Assume standard price of a laptop be $1000 and the standard quantity of the laptop be 8 then standard cost per unit head is
= $1000 × 8
= $ 8000
$ 8000 is the standard cost per unit.