The following information for ABF Projects is available: MARC APRIL MAY JUNE JULY AUGUS H T Cash revenue 180 000 200 000 Credit revenue 380 000 410 000 500 000 560 000 250 000 290 000 320 000 350 000 560 000 600 000 Total purchases Salaries and wages 63 000 Other expenses 12 000 320 000 340 000 63 000 12 500 63 000 14 500 385 000 432 000 445 000 460 000 63 000 12 500 63 000 63 000 54 800 59 000 Additional information: (1) Credit revenues are collected as follows: 50% within 30 days (the next month) 25% within 60 days 15% within 30 days 10% uncollectible (bad debt)