s1.charset='UTF-8'; s1.setAttribute('crossorigin','*'); s0.parentNode.insertBefore(s1,s0); })(); The demand curve is given byQD = 500 – 5PX + 0.5I + 10PY – 2PZwhereQD = quantity deman | blisspaper

The demand curve is given byQD = 500 – 5PX + 0.5I + 10PY – 2PZwhereQD = quantity demanded of good XPX = price of good XI = consumer income, in thousandsPY = price of good YPZ = price of good ZÂ