Use the following information posted at the end of the trading day on April 22 to answer Exercises 2–7.
$$\begin{array}{|c|c|c|c|c|c|c|c|c|}\hline 52 \text {-week } & 52 {\text {-week }} & {} & {} & {} & {} & {\text { Sales of }} & {} & {} \\ \text { High } & {\text { Low }} & \text { Symbol } & \text { Stock } & \text { Last } & \text { Change } & 100 \text {s} & {\text { High }} & {\text { Low }} \\ \hline \text { 151,650 } & {107,200} & \text {BRK/A} & \text {Berkshire} & {127,200} & \text { ?1000 } & {4.11} & {128,600} & {127,000} \\ {} & {} & {} & \text { Hathaway Inc } & {} & {} & {} & {} & {} \\ \hline {120.2} & {66.39} & \text{FCX} & \text{Freeport-McMoRan} & {118.65} & {3.51} & {147,540} & {120.06} & {116.64} \\ {} & {} & {} & \text{Copper & Gold Inc} & {} & {} & {} & {} & {} \\ \hline {63.69} & {46.64} & \text{MCD} & \text{McDonald’s} & {58.35} & {?0.55} & {106,077} & {58.77} & {57.42} \\ {} & {} & {} & \text{Corporation} & {} & {} & {} & {} & {} \\ \hline {266.81} & {112.11} & \text{PTR} & \text{PetroChina} & {137.19} & {+2.16} & {16,266} & {140.92} & {136.09} \\ {} & {} & {} & \text{Company Ltd} & {} & {} & {} & {} & {} \\ \hline {39.63} & {27.51} & \text{TXN} & \text{Texas Instruments Inc} & {28.85} & {?1.74} & {288,012} & {29.64} & {28.38} \\ \hline {144.04} & {92.18} & \text{WBK} & \text{Westpac Banking} & {113.62} & {2.45} & {332.7} & {115.35} & {113.50} \\ {} & {} & {} & \text{Corporation} & {} & {} & {} & {} & {} \\ \hline \end{array}$$
Use the information from Exercise 5 to determine the percent of net change from April 21 to April 22 for each of the corporations listed in that question. Round answers to the nearest tenth of a percent.