Answer:
Based on the information presented in the image, Fun Phones has lower monthly costs after 4 month.
Step-by-step explanation:
As shown on the image, Fun Phones has 160 of monthly costs after 4 month, while TalkTalk has 162.5.
For TalkTalk monthly cost can be concluded by first identifying the point of 4 month on the axis y (month). Now you can see, that point on the arrow, which correspond to 4 month on axis x, corresponds to 162.5 on axis y.