$\"\"$

National sales of fertilizer follow the seasonal pattern is $\"\"$ ,

where $\"\"$ is measured in pounds and time $\"\"$ in days.

$\"\"$ corresponding to January $\"\"$ .

Find the amount of fertilizer produce each day.

Total amount produced in one year is $\"\"$ .

The fertilizer produced in one day is $\"\"$

$\"\"$

The fertilizer produced in one day is $\"\"$ pounds.

$\"\"$

The fertilizer produced in one day is $\"\"$ pounds.