An analyst, having solved a linear programming problem, determined that he had $10$ more units of resource Q than previously believed. Upon modifying his program, he observed that the list of basic variables did not change, but the value of the objective function increased by $$30.$ This means that resource's Q$\text{'}$s shadow price was:

Multiple Choice

$$6\mathrm{.}00.$

$$1\mathrm{.}50.$

$$15\mathrm{.}00$

$$3\mathrm{.}00.$

$$30\mathrm{.}00.$