13. Select True or False:

(a) Production planning techniques are used to maximize production and profitability.

(b) The main objective of production planning is to achieve optimum production with minimum ef- ficiency and maximum wastage.

(c) Production control is intended to achieve production targets, optimum use of available resources, etc.

(d) The purpose of production control system is basically to monitor the progress of various elements of the process of production.

(e) Estimating is concerned with establishing the path and sequence of the operations.