What is the opportunity cost in this scenario?
A.)[Gretchen earned $500 from her summer job].| B.)[ She made a list of things that she wants to do with the money she earned.] She thought of spending $100 to buy a guitar amplifier, enrolling in a ballet class for $200, buying new clothes worth $100, and giving her mom a silver necklace worth $100. |C.)[When she went to buy the amplifier, she found it cost around $150.] She knew that she couldn’t change the fee for the dance classes. So she had to adjust the budget for her clothes or her mom’s gift.| D.)[In the end, she decided she would buy one pair of jeans instead of the two pairs of jeans she had planned.]