Please help me understand which equation to use. Will rate asap :)

What amount is the buyer debited for the water bill? Prorate using a 30-day month and a 360-day year, prorate the taxes as of the close of escrow, and split the escrow fee 50-50 between the parties. Closing is July 31. Use these relevant facts: $ Purchase price: $250,000 cash 5 Earnest money: $10,000 Commission rate: 5%, split 50-50 5 Revenue stamps: $250 Real estate taxes: $3,500 (paid in full for current tax year of Jan. 1 through Dec. 31) 5 Water bill: $450 (six months paid to Sept. 15) Title insurance: $953.51 5 Recording fee: $20 5 Escrow fee: $868 5 Loan balance: $94,500 (existing loan, including credit for the reserve account) $100.00 $115.00 $117.50 $112.50 What amount of the escrow fee will the buyer pay? Prorate using a 30-day month and a 360-day year, prorate the taxes as of the close of escrow, and split the escrow fee 50-50 between the parties. Closing is July 31. Use these relevant facts: 5 Purchase price: $250,000 cash Earnest money: $10,000 5 Commission rate: 5%, split 50-50 Revenue stamps: $250 Real estate taxes: $3,500 (paid in full for current tax year of Jan. 1 through Dec. 31) 5 Water bill: $450 (six months paid to Sept. 15) Title insurance: $953.51 Recording fee: $20 5 Escrow fee: $868 5 Loan balance: $94,500 (existing loan, including credit for the reserve account) $360 $434 $460 $468 What amount is the seller debited for the broker's commission? Prorate using a 30-day month and a 360-day year, prorate the taxes as of the close of escrow, and split the escrow fee 50-50 between the parties. Closing is July 31. Use these relevant facts: Purchase price: $250,000 cash Earnest money: $10,000 5 Commission rate: 5%, split 50-50 5 Revenue stamps: $250 Real estate taxes: $3,500 (paid in full for current tax year of Jan. 1 through Dec. 31) Water bill: $450 (six months paid to Sept. 15) Title insurance: $953.51 5 Recording fee: $20 5 Escrow fee: $868 5 Loan balance: 594,500 (existing loan, including credit for the reserve account) $7,500 $16,500 $12,500 $25,000 What amount is the buyer debited for the real estate taxes? Prorate using a 30-day month and a 360-day year, prorate the taxes as of the close of escrow, and split the escrow fee 50-50 between the parties. Closing is July 31. Use these relevant facts: 5 Purchase price: $250,000 cash 5 Earnest money: $10,000 5 Commission rate: 5%, split 50-50 Revenue stamps: $250 5 Real estate taxes: $3,500 (paid in full for current tax year of Jan. 1 through Dec. 31) Water bill: $450 (six months paid to Sept. 15) S Title insurance: $953.51 5 Recording fee: $20 $ Escrow fee: $868 S Loan balance: $94,500 (existing loan, including credit for the reserve account) $1,458.33 $1,467.10 $2,021.90 $2,033.00