The administrator of Azalea Hills Hospital would like a cost formula linking th costs involved in admitting patients to the number of patients admitted during a month. The admitting department’s costs and the number of patients admitted during the immediately preceding eight months are given in the following table;
| Month | Number of paitents Admitted | Admitting department costs |
| May | 1800 | $14,700.00 |
| June | 1900 | $15,200.00 |
| July | 1700 | $13,700.00 |
| August | 1600 | $14,000.00 |
| September | 1500 | $14,300.00 |
| October | 1300 | $13,100.00 |
| November | 1100 | $12,800.00 |
| December | 1500 | $14,600.00 |
A. Use the high low method to establish the fixed and variable components of admitting costs
B. Express the fixed and variable components of admitting costs as a cost formula in the linear equation for of Y =a +bX