Find the points of intersections of the two graphs. Graph 1

Day Number Daylight Minutes
1 492
32 563
60 661
91 776
121 883
152 964
182 975
213 911
244 808
274 697
305 586
335 505

Graph 2

Day Number Daylight Minutes
1 843
32 809
60 762
91 705
121 655
152 619
182 615
213 642
244 690
274 743
305 797
335 836

a
(77.90, 728.75) and (265.87, 728.24)
b
(78.19, 734.92) and (264.36, 734.34)
c
(76.84, 678.25) and (276.45, 778.25)
d
(79.56, 736.58) and (279.56, 779.62)