Months 1, 2, 3 @ $500 per month ($1,500)
Months 4, 5, 6 @ $1,000 per month ($3,000)
Months 7, 8, 9 @ $1,500 per month ($4,500)
Months 10, 11, 12 @ $2,000 per month ($6,000)
Months 1, 2, 3 @ $500 per month ($1,500)
Months 4, 5, 6 @ $1,000 per month ($3,000)
Months 7, 8, 9 @ $1,500 per month ($4,500)
Months 10, 11, 12 @ $2,000 per month ($6,000)