From the data below, calculate the net cash flow from operating activities. Receipts from customers $60,000 Interest paid $5,000 Proceeds from sale of assets $60,000 Repayment of borrowings $5,000 Payments to suppliers and employees $30,000 Payments for plant and equipment $20,000 Select one: a. $49,500 b. $35,000 c. $25,000 d. $80,000