After discontinuing all advertising for a tool kit in 2010, the manufacturer noted that sales began to drop according to the model 500,000 1+0.2 where S represents the number of units sold and t represents the year, with t=0 corresponding to 2010 (see figure). In 2014, 300,000 units were sold. 500000 400000 300000 200000 100000 t 6 B 10 12 (a) Use the graph to estimate sales (in units sold) in 2018. (Round your answer to the nearest whole number) 5-287273 X units sold (b) Complete the model by solving for A. (Round your answer to three decimal places.) k (c) Use the model to estimate sales (in units sold) in 2018. (Round your answer to the nearest whole number.) units sold 5- Compare your results with that of part (a). O The algebraic result is significantly different from the graphical result. O The algebraic result is similar to the graphical result.

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