The sales of Forma Ltd. in the first half of the current year amounted to ₹2,70,000 and profit earned was ₹7,200. The sales in the second half year registered an increase and amounted to

₹3,42,000. The profit earned was ₹20,700 in that half year. Assuming no change in fixed cost, calculate

(i) the P/V ratio, (ii) the amount of profit when sales are ₹2,16,000, and (iii) the amount of sales required to earn a profit of ₹36,000.