Before automation became more prevalent, overhead was often calculated and allocated as a function of direct labor costs or direct labor hours. Why was this the case, and has this pattern changed?

4th option is correct xy=-10

if this was to u plzz mark me the brainliest

fa tha first one you gonna add y to both sides

it look like this

x-y+y=6+y

x=y+6

therefore your answer is

x =y+6

fa tha second one

you gonna flip tha equation

it gonna look like x-4y=y

then add 4 to both sides

it gonna look like tha

x-4 +4 =y +4

so therefore tha answer is x=y+4

step-by-step explanation: