Additional Algo $4-2$ Labor Content

Callers are helped in a process with two resources. The first resource has a capacity of $1$ callers per minute. The capacity of the second

resource is $1\mathrm{.}4$ callers per minute. The first resource has $2$ workers and the second resource has $4$ workers.

What is the labor content $($in minutes$)?$

Note: Do not round intermediate calculations. Round your answer to $2$decimal places.