Apples are prepared in a process with two resources. The first resource has a capacity of $1\mathrm{.}4$ apples per minute. The capacity of the second resource is $0\mathrm{.}8$ apples per minute. The first resource has $1$ worker and the second resource has $2$ workers. One additional worker is hired who is as productive as the current workers. what is the new capacity of this process?