f control chart has UCL$=45\mathrm{.}1$ and USL$=45\mathrm{.}6,$ and the last samples has values of $44\mathrm{.}6,45\mathrm{.}7,44\mathrm{.}8,$ one can conclude: $1)$ the process is within specification and in control; $2)$ The process is within specification but out of control; $3)$ The process is out of specification but in control; $4)$ The process is out of specification and out of control