An instalment plan starts with a payment of ₹1,000 and each month the payment increases by ₹150. Payments stop as soon as the total amount paid first exceeds ₹45,000. What is the amount of the last instalment paid?
(a) ₹3,900
(b) ₹4,000
(c) ₹3,850
(d) ₹3,700