5. a. In lines entered below this part, present the graph of the autocorrelation function (ACF) for the residuals from your regression of the weekly closing bond price data with time. b. On the sole basis of your residual ACF, in lines entered below this part, state whether or not the residuals of the weekly closing bond price data are serially correlated over time AND explain why. c. If there is serial correlation, then on the sole basis of your residual ACF, in lines entered below this part, state the specific type of serial correlation that is present AND explain why. week, t bond price, y 1 295 2 295 3 296 4 292 5 291 6 288 7 284 8 284 9 280 10 273 11 271 12 268 13 266 14 269 15 272 16 282 17 290 18 289 19 293 20 289 21 289 22 285 23 296 24 298 25 294 26 287 27 286 28 287 29 296 30 304 31 313 32 316 33 323 34 325 35 320 36 327 37 322 38 312 39 305 40 307 41 315 42 304 43 301 44 298 45 292 46 289 47 296 48 298 49 304 50 302 51 312 52 328