The price of silver went from $26.20 a troy ounce down to $2…

The price of silver went from $26.20 a troy ounce down to $20.96 a troy ounce during the past 5 months.  This represents a decrease in price of what percent?  Write the rate as a percentage rounded to the nearest percent. This is a decrease in price of [d]%.  

The price of silver went from $26.40 a troy ounce down to $1…

The price of silver went from $26.40 a troy ounce down to $17.16 a troy ounce during the past 6 months.  This represents a decrease in price of what percent? Write the rate as a percentage rounded to the nearest percent. This is a decrease in price of [d]%.  

Axelrod Company has fixed costs of $250,000.  The highest pr…

Axelrod Company has fixed costs of $250,000.  The highest production volume this year was in January, when there were 100,000 units produced and total costs of $550,000.  How much is the variable cost per unit?  (Please round all amounts to the nearest cent.)