I'll give you a question, please answer with step-by-step reasoning process.
What can a manufacturer experience when people are constantly buying products?\nOptions:\n- economic boom\n- loss of money\n- agony\n- being able to use\n- spending money

economic boom
More incoming money results in economic boom.

People constantly buying products from you results in more incoming money.

Economic boom is a favorable financial situation.

.

The answer: economic boom