7S-18 (Algo) A research analyst performs database searches for a variety of clients. According to her log, a new search requires approximately 57.0 minutes. Repeated requests on the same or similar topic take less and less time, as her log shows: Request no. 1 2 3 4 5 6 7 8 Time (min.) 57.0 40.3 38.7 28.6 28.0 27.4 27.1 19.8 Use the following table for calculation. Learning curve coefficients 70% 75% 80% 85% 90% Unit Number Unit Time Total Time Unit Time Total Time Unit Time Total Time Unit Time Total Time Unit Time Total Time 1 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 2 0.700 1.700 0.750 1.750 0.800 1.800 0.850 1.850 0.900 1.900 3 0.568 2.268 0.634 2.384 0.702 2.502 0.773 2.623 0.846 2.746 4 0.490 2.758 0.562 2.946 0.640 3.142 0.723 3.345 0.810 3.556 5 0.437 3.195 0.513 3.459 0.596 3.738 0.686 4.031 0.783 4.339 6 0.398 3.593 0.475 3.934 0.562 4.299 0.657 4.688 0.762 5.101 7 0.367 3.960 0.446 4.380 0.534 4.834 0.634 5.322 0.744 5.845 8 0.343 4.303 0.422 4.802 0.512 5.346 0.614 5.936 0.729 6.574 9 0.323 4.626 0.402 5.204 0.493 5.839 0.597 6.533 0.716 7.290 10 0.306 4.932