Concept explainers
(a)
To calculate: The total earnings of Job A over 20 years and determine whether it is arithmetic or geometric series. The initial salary of job A and B is $40,000 and $38,000 with annual raise of $3000 and 6% per year respectively.
(b)
To calculate: The amount raises after 1 year for Job B. The initial salary of job A and B is $40,000 and $38,000 with annual raise of $3000 and 6% per year respectively.
(c)
To calculate: The total earnings of Job B over 20 years and also determine whether it is arithmetic or geometric series. The initial salary of job A and B is $40,000 and $38,000 with annual raise of $3000 and 6% per year respectively.
(d)
To calculate: The difference of total salary over 20 years between Job A and Job B. The initial salary of job A and B is $40,000 and $38,000 with annual raise of $3000 and 6% per year respectively.
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