mutate functionss

hello, i am using dplyr package, how do I solve this

reve <- data1 %>%
mutate(reve = Original.Sale.Price * Cost)
non-numeric argument to binary operator

One or both of the columns you are multiplying does not contain numbers. Please post the output of


Place a line containing only three back ticks ,```, before and after the pasted output, like this
Your output

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