Exercise 21-19 Pletcher Dental Clinic is a medium-sized dental service specializing in family dental care. The clinic is currently preparing the master budget for the first 2 quarters of 2017. All that remains in this process is the cash budget. The following information has been collected from other portions of the master budget and elsewhere. Beginning cash balance $36,030 30,025 Required minimum cash balance 4,804 Payment of income taxes (2nd quarter) Professional salaries: 1st quarter 168,140 2nd quarter 168,140 Interest from investments (2nd quarter) 8,407 Overhead costs: 92,477 1st quarter 2nd quarter 120,100 Selling and administrative costs, including $2,402 depreciation: 60,050 1st quarter 84,070 2nd quarter Purchase of equipment (2nd quarter) 60,050 14,412 sale of equipment (1st quarter) Collections from clients: 1st quarter 282,235 456,380 2nd quarter Interest payments (2nd quarter) 240