Table $14-3$

$\backslash$table$[[$Labor$,$Output,$\backslash$table$[[$Fixed Cost$],[($Number of workers$)],[($Units$)]],\backslash$table$[[$Variable Cost$],[($Dollars$)]],\backslash$table$[[$Total Cost$],[($Dollars$)]]],[0,0,50,0,50],[1,90,50,20,70],[2,170,50,40,90],[3,230,50,60,110],[4,240,50,80,130]]$

Refer to Table $14-3.$ At which number of workers does diminishing marginal product begin?

$2$

$1$

$4$

$3$