Callers are helped in a process with two sequential resources. A worker in the first resource helps $0\mathrm{.}7$ callers per minute and a worker in the second resource helps $4\mathrm{.}3$ callers per minute. The first resource has $4$ workers and the second resource has $1$ worker.

What is the capacity of this process in terms of callers per minute?

Note: Round your answer to $2$ decimal places.