14. A laptop and a mobile phone were bought for \( ₹ 40000 \) and \( ₹ 24000 \) respectively. The shopkeeper made a profit of \( 8 \% \) on laptop and a loss of \( 12 \% \) on mobile phone. Find she loss percent on the whole transaction.

What is the monthly interest payment for an account with a balance of \( \$ 180.00 \) and an A.P.R. of \( 6 \% \) ? \[ \$[?] \]

What is the yield on a corporate bond with a \( \$ 1000 \) face value purchased at a discount price of \( \$ 850 \), if it pays \( 5 \% \) fixed interest for the duration of the bond? yield \( =[?] \% \)

17. The manufacturing price of a T.V. set is \( ₹ 12000 \). The company sold it to a dealer at \( 20 \% \) profit and the dealer sold it to a customer at \( 12.5 \% \) profit. Find the price which the customer has to pay. 18. Find the cost price, when : \( \begin{array}{ll}\text { (i) selling price }=₹ 450, \text { loss }=10 \% & \text { (ii) selling price }=₹ 690, \text { profit }=15 \%\end{array} \)

23. A shopkeeper sells a sweater at a loss of \( 5 \% \). If he had sold it for ₹ 260 more, he would have made a profit of \( 15 \% \). Calculate the purchase price of the sweater. 24. Janki sold her leather purse at \( 8 \% \) loss. If she had sold it for ₹150 more, she would have made \( 12 \% \) profit. Find the selling price of the purse.

What is the total payment required to pay off a promissory note issued for \( \$ 800.00 \) at \( 8 \% \) ordinary interest and a 180 -day term? \( \$[?] \)