Sales of a new model of digtal camera are approximated by S(x)=50004300ex, where x represents the number of years that the digital camera has been on the market, and S(x) represents sales h thousands of dollars. (a) Find the sales in year 0 . (b) When will edes reach $4,786,000 ? (c) Find the limlt on saies: (a) The sides in year 0 were ? (b) The sales with reach $4,700,000 in about years (c) The limit on sales is 5