3. Do the computer calculations of the following program statements. Show the calculations in the space provided below each question. Label the data type of the answer box and write in the box the resulting value, from the calculations, of the identifier of the box. a. int n; n=665.9999; Show your step-by-step calculation as it is done in the textbook: b. int m,n=47; \[ \mathrm{m}=\text { static_cast }\langle\text { int }>\text { (n); } \] Show your step-by-step calculation as it is done in the textbool c. char ch; \[ \text { ch = static_cast }(66+5) \text {; } \] Show your step-by-step calculation as it is done in the textbool