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Paragraph A A notes/memo function lets make quick notes to yourself. Other capabilities include word processing, spreadsheets, and e-mail. A voice recorder that uses a built-in microphone and speaker works like a tape recorder. Basic tools include a calendar to keep track of your appointments, an address and phone number book, to do lists, and a calculator MP3 playback lets you listen to digital music files, and a picture viewer lets you look at digital photos. Most personal digital assistants (PDAs) have tools for basic tasks as well as for multimedia functions. A few models also include a built-in digital camera and keyboard. Paragraph B In time, this melted part rises as magma. The formation of a volcanic eruption is a dramatic series of events. As the plate sinks, friction and Earth's heat cause part of it to melt. The magma produces heat, steam, and pressure. First of all, most volcanoes are formed where two plates collide. Then one of the plates is forced under the other and sinks. When the heat, steam, and pressure from the magma finally reach the surface of Earth, a volcanic eruption occurs John Lucy makes wooden boxes in which to ship motorcycles, John and his three employees invest a total of 40 hours per day making the 120 boxes. a) What is their productivity? b) John and his employees have discussed redesigning the process to improve efficiency. If they can increase the rate to 125 per day, what will be their new productivity? c) What will be their unit increase in productivity per hour? d) What will be their percentage change in productivity:PX