I need to know what error the student made. their work is shown to the left.

Step 4: 2+2=4, not 0.

Step-by-step explanation:

In step 4, the student cancels out 2+2, making it equal to 0. However, 2+2=4, not 0.

$12. that is my answer.

according to this law, when unemployment goes up by 1%, gdp drops by 2%. in the question, unemployment rate goes from 2% to 5%, meaning unemployment goes up by 3%, so the gdp drops by 6%. thus the effect is a drop in gdp by 6%.

step-by-step explanation: