Exercise $3$: Tick Value $($aka Point value$)$

$$ A trader buys one bank bill futures contract at $99\mathrm{.}14$ and sells it at $99\mathrm{.}15.$ How much was their profit?

Exercise $4$: Variable Tick Value

$$ A trader buys one bank bill futures contract at $92\mathrm{.}14$ and sells it at $92\mathrm{.}15.$ How much was their profit?