You have struck it rich and found a giant gold nugget in a s…

You have struck it rich and found a giant gold nugget in a stream while you were on vacation in Montana.  The volume of the gold idol is approximately 1.0 L. The density of gold is 19.3 g/mL and the density of sand is 2.3 g/mL. You want to determine if it is really pure gold. You weigh the nugget and measures the volume by a water displacement method. The results are:  mass = 16.5 kg and volume of water displaced = 954 mL. Is your gold made of pure gold? 

Use the Selected Option Quotations for Proctor & Gamble (P&G…

Use the Selected Option Quotations for Proctor & Gamble (P&G) when responding to this question. Suppose you bought the January X=65 Call contract on November 9. If you closed out your position by selling the same contract on November 29, your percentage rate of return on your initial investment would be closest to (ignore transactions costs):