For the Maintenance Building Project at Berkeley Preparatory School calculate the following. Show all steps.

$1)$ Determine the number of cubic yards of concrete, area of formwork, and weight of rebar needed for the following elements $($Note: Do not include dowel rebar for stem walls or columns. Consider overlap for long bars, do not add any other waste$)$:

a$)$ Footing type A $(4$ points$)$

b$)$ Footing type B $(4$ points$)$

c$)$ And Footing type C $(3$ points$)$