Using coefficients obtained from regression analysis based on quarterly data from the "Netflix Quarterly Data Excel Sheet", what is the average quarterly contribution margin (i.e., revenue - variable cost) per subscriber?

Year	Quarter	Subscribers	Revenue	Cost of Revenue
2020	1	182.86	$ 5,767.69	$ 3,599.70
2020	2	192.95	$ 6,148.29	$ 3,643.71
2020	3	195.15	$ 6,435.64	$ 3,867.75
2020	4	203.66	$ 6,644.44	$ 4,165.16
2021	1	207.64	$ 7,163.28	$ 3,868.51
2021	2	209	$ 7,341.78	$ 4,018.01
2021	3	214	$ 7,483.47	$ 4,206.59
2021	4	222.2	$ 7,709.32	$ 5,239.58
2022	1	222	$ 7,867.77	$ 4,284.71
2022	2	220.6	$ 7,970.14	$ 4,690.76
2022	3	223	$ 7,925.59	$ 4,788.67
2022	4	230.7	$ 7,852.05	$ 5,404.16