Today's Date Is Day 175

question 2

Essay

Today's date is day 175. Orders A, B, and C have the following due dates and lead time remaining. Calculate the actual time remaining and the critical ratio for each. $$\begin{array}{l}\begin{array} { l l c } \text { Order }&\text { Due Date}&\text { Lead Time Remaining in Days }\\\text { A } & 185 & 20 \\ \text { B } & 195 & 20 \\\text { C } & 205 & 20\end{array}\end{array}$$

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Definitions:

Limestone

A sedimentary rock composed mainly of calcium carbonate, often used in building materials and is a key ingredient in cement.

Tailings

The materials left over after the process of separating the valuable fraction from the uneconomic fraction of an ore.

Ore

A naturally occurring solid material from which a metal or valuable mineral can be extracted profitably.

Metamorphic Rock

Rock that was once one form of rock but has changed to another under the influence of heat, pressure, or some other agent without passing through a liquid phase.