A selling agent’s remuneration consists partly of a fixed monthly salary and partly of a fixed percentage on all sales effected by him. During the first four months of the year 2011, he sold goods for ₹ 26,272 and received a total remuneration of ₹ 5,284. During the rest of the year, he sold goods for ₹ 43,008 and received the total remuneration of ₹ 9,376. Find his monthly salary and the percentage rate of commission.