$10\mathrm{.}3$ Standard Costing

Larry is working on creating a cost card for their oatmeal cookie recipe. They use $1$ cup of oatmeal at the cost of $$0\mathrm{.}50$ and $3$ eggs at $$0\mathrm{.}20$ per egg to make one batch of their cookies. What would their standard cost per unit be for the oatmeal and eggs?

$$0\mathrm{.}50$

$$0\mathrm{.}70$

$$1\mathrm{.}10$

$$0\mathrm{.}60$