What is the total variable cost per table service meal by human server?

$$6\mathrm{.}40/$meal

b$)$ What is the total purchase and installation cost per server robot for table service?

$$25,000$

c$)$ What is the total variable cost per table service meal by server robot?

$$0\mathrm{.}80/$meal

d$)$ What is the maximum number of table service meals for which the human server total cost is less than the robot server total cost?

$[$ Select $]$

e$)$ What type of problem is the previous problem when you determine the maximum number of table service meals for which the human server total cost is less than the robot server total cost?

$[$ Select $]$