Required information

$\backslash$table$[[$Price Per Unit,$\backslash$table$[[$Quantity Demanded$],[$Per Year$]],\backslash$table$[[$Quantity Supplied$],[$Per Year$]],],[$$$5,2,000,0,],[10,1,800,300,],[15,1,600,600,],[20,,1,400,900],[26,,1,200,1,200],[30,1,000,1,500,]]$

Refer to the above table. A surplus exists when the price is:

Multiple Choice

$$20$ per unit

$$15$ per unit

$$30$ per unit

$$25$ per unit