making variables and creating bar graph

I am trying to make a bar graph with a data set and I made the three variables into values, but I need to make 2 of the values in to one variable education and no education to put on one access, but I do not know how to do that. The education variables are formated as no (0) and yes(1)

library(ggplot2)
# simulated data ed for education and yrs for years employed
# just to illustrate
set.seed(42)
d <- data.frame(
  edu = as.factor(sample(c("0","1"),100,replace = TRUE)),
  yrs = sample(5:20,100,replace = TRUE))

d |> ggplot(aes(edu,)) + 
      geom_bar()

Created on 2023-11-28 with reprex v2.0.2

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