AWS - Account and Billing
Given this AWS CLI command output snippet for free tier usage:
{
"ResultsByTime": [
{"TimePeriod": {"Start": "2024-04-01", "End": "2024-04-30"}, "Total": {"BlendedCost": {"Amount": "0.00", "Unit": "USD"}}}
]
}
What does this output indicate about your free tier usage for April 2024?