Kasandra Associates provides executive coaching services to Fortune 100 senior executives. Her team charges $190 per hour to provide coaching when firms prepay for 20 sessions. The following table shows Kasandra Associates' total number of hours of coaching provided per month and the firm's costs per month for the past year:
|
Client Hours
|
Cost
|
|
January
|
190
|
100,060
|
|
February
|
170
|
97,100
|
|
March
|
200
|
101,620
|
|
April
|
211
|
102,024
|
|
May
|
235
|
104,024
|
|
June
|
285
|
109,060
|
|
July
|
310
|
111,450
|
|
August
|
240
|
108,840
|
|
September
|
219
|
102,360
|
|
October
|
185
|
99,400
|
|
November
|
175
|
98,000
|
|
December
|
180
|
98,580
|
Required:
1) Use the high-low method to estimate fixed and variable costs using the y=a + bx formula.