John, Arlo, and Sera have different chances of hitting the target. John can hit the target 2/3 of the time, Arlo can hit the target 4/5 of the time, and Sera can hit the target 3/4 of the time. They all go for the target simultaneously. What is the probability that atleast one of them will hit the target?

a.) 59/60

b.) 1/60

c.) 1/5

d.) 4/5