Unit Number Cost $($$ millions$)$ Unit Number Cost $($$ millions$)1$ $$12113$:$9$ Z $10123\mathrm{.}536133\mathrm{.}046\mathrm{.}5142\mathrm{.}855\mathrm{.}8152$a $6616$ oi$!75$ a ox$\}83\mathrm{.}6183\mathrm{.}093\mathrm{.}6192\mathrm{.}9104\mathrm{.}1202\mathrm{.}6$ a$.$ Based on past experience, what is the learning rate? b$.$ What bid should LTI submit for the total order of $100$ units, assuming that learning continues? c$.$ What is the cost expected to be for the last unit under the learning rate you estimated?