Query 1:
SELECT
username,
COUNT(result_of_action) number_of_ptps,
SUM(ptp_amount) total_of_ptps
FROM debtor_contact_history dch
WHERE ptp_date BETWEEN '2014-09-24' AND '2014-09-24' AND result_of_action = 'PTP'
GROUP BY username

Query 2:
SELECT ptp_user,
SUM(transaction_amount) total_payments,
COUNT(transaction_amount) number_of_payments
FROM financial_transactions
WHERE sale_date BETWEEN '2014-09-24' AND '2014-09-24'
AND transaction_type = 'PAY'
AND (ptp_user IS NOT NULL AND ptp_user <> '')
GROUP BY ptp_user