Answer: Longest tool life is at A-, B+ and C+, for an average predicted life of 552.5. From examination of the cube plot, we see that the low level of cutting speed and the high level of cutting angle gives good results regardless of metal hardness.
Answer:
$638.4
Step-by-step explanation:
19% of 1120 = 212.8
212.8 x 3 = 638.4
98
D. The combined expenses In Year 3 and 4 were $300,000 more than the combined of Year 3 and 4
