Final answer:
To find the monthly premium for an annual insurance policy cost of $3,600, divide the yearly cost by 12, resulting in a $300 monthly premium.
Step-by-step explanation:
The question asks us to calculate the monthly premium of an insurance policy that costs $3,600 for the year. To find the monthly premium, we need to divide the total annual cost by the number of months in a year, which is 12. Performing the calculation, we get:
$3,600 รท 12 months = $300 per month.
Therefore, the correct answer is A. $300.