Answer:
$10,000
Explanation:
The computation of the mode of the group distribution is as follows:
Given that
Tow report annual incomes is $10,000
And, the other three report incomes are $14,000, $15,000 and $31,000
Based on the above information, the mode is $10,000 as the mode is the measure of the central tendency where the value is appear many times or in frequent times
Hence, the $10,000 is the answer