Rotorua Products, Limited, of New Zealand markets agricultural products for the burgeoning Asian consumer market. The company's current assets, current liabilities, and sales over the last five years $($Year $5$ is the most recent year$)$ are as follows:

$\backslash$table$[[,$Year $1,$Year $2,$Year $3,$Year $4,$Year $5],[$Sales$,$$$4,559,320,$$$4,817,860,$$$5,039,580,$$$5,573,420,$$$5,666,560$