Cash Flows from Operating Activities - Direct Method

The cash flows from operating activities are reported by the direct method on the statement of cash flows. Determine the following:

a. If sales for the current year were $753,500 and accounts receivable decreased by $48,400 during the year, what was the amount of cash received from customers?

$ ??

b. If income tax expense for the current year was $50,600 and income tax payable decreased by $5,500 during the year, what was the amount of cash payments for income taxes?

$ ??