Answer:
$57,100
Explanation:
The technique for this question to follow closely the payment cycle
Calculation of January Cash Receipts
Cash Sales ($59,000 x 10%) Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â $5,900
Credit Sales in January ($59,000 x 40%) Â Â Â Â $23,600
Credit Sales in December  ($51,000 x 50%)  $25,500
Credit Sales in December  ($21,000 x 10%)    $2,100
Total                                   $57,100
Conclusion
the expected cash receipts for January from the current and past sales is $57,100