Draw a bar model: Total = $5710 stays constant.
After: A = 1 unit, B = 4 units. Total = 5 units = $5710.
1 unit = $1142. Transfer from A = $2000 - $1142 = $858.AGS Rule Box
| Total money | = | $2,000 + $3,710 = $5,710 |
| After: 1 unit (A) | = | $5,710 / 5 = $1,142 |
| Transfer from A | = | $2,000 - $1,142 = $858 |
Final Answer: 858