someone send me answere but they were wrong plese help me to sole these questions

Zachary Corporation's December 31, 2010 balance sheet included the following amounts:

Cash	$ 17,400
Retained earnings	103,500

Zachary's accountant provided the following data for 2011:

Revenues		$ 673,900		Cash inflow from operating activities		$ 857,100
Expenses		587,100		Cash outflow for investing activities		(994,500)
Dividends		34,100		Cash inflow from financing activities		156,600

Calculate the amount of cash and retained earnings at the end of 2011.

Cash	$ ?????
Retained earnings	$

question 3:

Walters Inc. began operations on January 1, 2011. The following information relates to Walters' cash flows during 2011.

Cash received from owners	$201,500
Cash paid for purchase of land and building	125,700
Cash paid for advertising	34,200
Cash received from customers	139,900
Cash paid to purchase machine	31,600
Cash paid to employees for salaries	46,400
Cash paid for dividends to stockholders	37,200
Cash paid for supplies	28,700

1. Calculate the cash provided/used for each cash flow category. If a net amount is negative (a cash outflow), enter your answer as a negative number.

Net cash provided by operating activities	$ ????
Net cash used by investing activities	$ ?????
Net cash provided by financing activities	$ ??????