Present worth from monthly payment with interest rate compunded quarterly

Given the monthly payment for a land loan is 1110. The bank charge 6% interest compunded quarterly for 30 years. What is the price of the land?

*is the concept correct if I first convert 6% to the effective annual rate which it will be 6.14%. Then, dividing it by 12, with the period of 360 (30 x 12).So, the equation will be P=1110(P/A, 0.51%,360). ?

Engineering Economy

Juan plans to raise a new building of 1 million. He raise the building by issuing 10%, 20 yr bond that would pay one hundred fifty thousand interest per year an repay the amount of maturity he can least it for Php 140,000 per year. First payment being due one year from now. The building has an expected life of 20 yrs. ignoring effects on income tax, what is the difference between buying the building and leasing it?

engineering economy

A sum of Rs. 725 is lent in the beginning of a year at a certain rate of interest. After 8 months, a sum of Rs. 362.50 more is lent but at the rate twice the former. At the end of the year, Rs. 33.50 is earned as interest from both the loans. What was the interest earned in the principal of P725?
What is the interest earned in the principal of P362.50?

MIGRATED: interest and compound: A man wishes his son to receive P200,000 ten years from now

A man wishes his son to receive P200 000 ten years from now. What amount should he invest now if it will earn interest of 10% compounded annually during the first 5 years and 12% compounded quarterly during the next 5 years.

interest and compound: amount of loan payment

jones corporation borrowed P 9000 from Brown Corporation on Jan. 1, 1978 and P12000 on Jan.1,1980.Jones Corporation made a partial payment of P 7000 on Jan. 1, 1981. it was agreed that was the balance of the loan woild be amortizes by two payments one of Jan. 1, 1982 and the other on Jan.1, 1983. The second being 50% larger than the first. If the interest rate is 12%. What is the amount of each payment.