Consumer Behavior $-$ End of Chapter Problem

For Maahir, shampoo $($S$)$ and conditioner $($C$)$ are perfect complements. He uses $1$ pump of shampoo and $1$ pump of conditioner every time he washes his hair.

a$.$ What do Maahir's indifference curves for shampoo and conditioner look like?

They are L$-$shaped.

They are concave to the origin.

They are linear.

They are typical indifference curves that are convex to the origin.

b$.$ Assume that shampoo costs $$0\mathrm{.}40$ per pump and conditioner costs $$0\mathrm{.}20$ per pump. Assuming Maahir's budget for shampoo and conditioner is $$12$ use the soace helow to write an equation for hic hudvet constraint In vour equation use $S$ for shamnan