Describe the various forecasting methods. What are the steps needed to develop a forecast? Explain how you could use Excel to help develop a forecast. Provide an example of an Excel forecast for a future three months on one or more of the data files below.

Sales	Acct Receivables
5,873,050	154,554
8,882,600	233,753
6,449,100	169,713
4,512,200	118,742
4,021,500	108,689
4,529,600	113,240
5,094,000	127,350
5,330,700	140,282
5,188,700	103,774
6,094,200	152,355
8,781,800	219,545
8,161,100	233,174
3,931,500	119,136
3,476,400	86,910
4,185,900	119,597
2,897,000	82,771
4,264,800	121,851
6,508,700	171,282
3,992,800	107,914
4,666,300	126,116
3,575,900	96,646
3,332,500	92,569
4,185,100	110,134
5,346,000	140,684
2,691,200	72,735