A man spends ₹1800 per month on average for the first four months and ₹2000 per month on average for the next eight months. He saves ₹5600 annually. What is his average monthly income?

A man spends ₹1800 per month on average for the first four months and ₹2000 per month on average for the next eight months. He saves ₹5600 annually. What is his average monthly income?
एक आदमी पहले चार महीनों के लिए औसतन 1800 रुपये मासिक खर्च करता है और अगले आठ महीनों के लिए 2000 रुपये मासिक खर्च करता है और सालाना 5600 रुपये बचाता है। उसकी औसत मासिक आय है: