Suppose that a product's value is $$900.$ The manufacturer experiences a holding cost of $1\mathrm{.}2\%$ per month. The firm ships the product across country by truck, and it arrives twelve days later. The shipping cost is $$45$ per unit. What is the holding cost on each unit shipped? $($Assume $30$ days per month. Round answer to the nearest cent.$)$

$$4\mathrm{.}32$

$$0\mathrm{.}22$

$$0\mathrm{.}54$

$$10\mathrm{.}80$