7. The San Diego Zoo is contemplating a stuffed panda bear advertising promotion. Annualized sales data from local shops marketing the "Can't Bear it When You're Away" bear indicate that:
Q = 50,000 - 1,000P
where Q is Panda bear sales and P is price.
A. How many pandas could the zoo sell at $30 each?
B. What price would the zoo have to charge to sell 25,000 pandas?
C. At what price would panda sales equal zero?
D. How many bears could be given away?
E. Calculate the point price elasticity of demand at a price of $10.