The Gantry Company Collected the Following Information (In Days) for October

The Gantry Company collected the following information (in days) for October, November, and December:
$$\begin{array} { | l | r | r | r | } \hline & \text { October } & \text { November } & \text { December } \\\hline \text { Transporting product } & 1.0 & 2.0 & 3.0 \\\hline \text { Processing product } & 6.0 & 6.0 & 7.0 \\\hline \text { Inspectirng product } & 2.0 & 1.0 & 0.8 \\\hline \text { Storing product } & 4.0 & 2.0 & 3.0\\\hline\end{array}$$
Required:
a. Calculate the manufacturing cycle efficiency for October, November, and December.
b. Assume January's processing time will be the same as December. If Gantry's target for manufacturing cycle efficiency is 60%, what will be January's target for non-processing times?