An interest rate of 18% per year, compounded continuously, is closest to an effective: (a) 1.51% per quarter (b) 4.5% per quarter (c) 4.6% per quarter (d) 9% per 6 months

Receipts from sales of hardened steel connectors was $50,000 in the first quarter, $51,000 in the second, and amounts increasing by $1000 per quarter through year 4. What is the equivalent uniform amount per quarter if the interest rate is 3% per quarter?

don't use excel only formula used.   For an interest rate of 8% per year compounded quarterly, determine the number of times interest would be compounded (a) per 2 years, (b) per half year, and (c) per quarter.

AUS Government report predicts that the US Postal Service to lose 57 billion at the end of this year, and if the business model is not changed, the losses will total $ 84 billion by the end of year 12. If the losses increase uniformly over the 10-year period (as an arithmetic gradient), determine the following. (A) The loss 7 years from now (B) The equivalent uniform payment factor of the losses at an interest rate of 8% per year (C) The equivalent present worth of the losses at an interest rate of 10% per year. A. $ 209.3 billion B. $ 195.7 billion C. $ 49 billion D. $ 42 billion E. $ 37.63 billion F. $ 56 billion G. $ 26.54 billion H. $ 234.6 billion I. $ 32.17 billion