Two Structural Designs for a Large Public Monument in Indonesia

question 6

Essay

Two structural designs for a large public monument in Indonesia are under evaluation. Use the repeatability assumption and the CW method to determine which design should be selected if the service period of the monument is indefinite and the interest rate is 2% per year. $$\begin{array} { | l | l | l | } \hline \text { Alternative } & \text { A } & \text { B } \\\hline \text { Initial costs } & \$ 310,000 & \$ 325,000 \\\hline \text { Annual maintenance costs } & \$ 23,000 & \$ 24,500 \\\hline \text { Usual life, years } & 8 & 11 \\\hline\end{array}$$

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Definitions:

Cytokinesis

The process during cell division where the cytoplasm of a single eukaryotic cell is divided into two daughter cells.

Proto-Onco Gene

A normal gene which, when altered by mutation, becomes an oncogene that can contribute to cancer.

Epidermal Growth Factor

A protein that stimulates cell growth, proliferation, and differentiation by binding to its receptor, EGFR, on the cell surface.

Plasma Membrane

The double layer of lipids surrounding the cell's cytoplasm, controlling the entry and exit of materials to and from the cell.