Answer:
$20,000
Step-by-step explanation:
Calculation for the maximum permitted contribution of Keogh Plan.
Based on the information given the maximum permitted contribution for Keogh Plan will be based only on their personal service income and wont be based on their investment income.
Based on this let find the maximum permitted contribution for Keogh Plan
$100,000 *20% Effective contribution rate = $20,000
Therefore their maximum permitted contribution is: $20,000