The motive the deliver curve shifts up vertically with the aid of using the quantity of thetax has to do with motivating providers. Each factor at the deliver curve tellsyou the minimal quantity that providers need to acquire to get them to deliver aunique amount (see Chapter four for info). For example, examine Point A. Because Point A is onthe deliver curve, you recognize that providers need to acquire $five in step with pound in case you needthem to offer 10 million kilos of pork. Similarly, Point E tells you that providers need to acquire$four.50 in step with pound in case you need them to deliver nine million kilos of pork. If the authorities is available in and imposes a tax of $1 in step with pound, it influenceshow plenty clients need to pay to get any given quantity produced. In unique,there must be sufficient cash left over after paying the tax to encourage theproviders. For example, if clients nevertheless need 10 million kilos of pork,they'll must pay the authentic quantity required to encourage the providers toproduce that plenty pork ($five in step with pound), in addition to sufficient cash to pay the taxeson that plenty pork ($1 in step with pound).