Title: वैकल्पिक

Text: By offering a reward, a principal signals to the agent that the task is undesirable. Pay your son to take out the trash, and you've pretty much guaranteed the kid will never do it again for free. प्रत्येक पराग्राफले परीक्षण हुनेछ।

Save test: यदि तपाईं यो टाइपिङ परीक्षणलाई साझा गर्न चाहानुहुन्छ भने यो प्रयोग गर्नुहोस् (केवल प्रमाणीकृत प्रयोगकर्ताहरूको लागि)।