Automatic versus Manual Processing assistance. If the machine is acquired, the monthly fixed costs will increase to $$7,000$ and the variable costs of printing a photo will decline to $$0\mathrm{.}05$ per photo.

$($a$)$ Determine the total costs of printing $10,000$ and $25,000$ photos per month:

With the current employee$-$assisted process.

With the proposed customer self$-$service process.

$\backslash$table$[[$Units$,Cu,$cess,,ces$],[10,000,$$$,0x,$$$,0],[25,000,$$$,0x,$$$,0]]$

$($b$)$ Determine the monthly volume at which the proposed process becomes preferable to $($costs less than$)$ the current process.

units