Answer:
12.93%
Explanation:
Given that the amount of 300 is invested for 3 years, while the amount of 100 is invested for 2 years and 100 is invested for 1 year.
also amount accumulated in three years = 800
Applying the formula to find the future value we get
300(1+r)^3 + 200(1+r)^2 + 100(1+r) = 800
which can be further simplified to
300r^3+1100r^2+1400r+600=800
where, r is the effective rate of interest which we have to find out
The above equation is cubic in r, so to solve this we can use equation solver. When we put this equation in equation solver we get
r = 0.12926
r ≅ 0.1293
Therefore, effective rate of interest = 12.93%
Answer:
Option (B) is correct.
Explanation:
Given that,
During a period, Department B finished and transferred to Department C = 58,000 units
In Department B during the period units started = 14,000
Brought only to a stage of being 60% completed.
The number of equivalent units produced by Department B during the period was:
= Units finished and transferred from Department B to C + (Units were started in Department B × 60%)
= 58,000 units + (14,000 units × 60%)
= 58,000 units + 8,400 units
= 66,400 units
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