Solve the followings (a) A 40-year loan is paid with level annual payments at the end of each year. The principal paid in the 20th payment is 166.59 and the principal paid in the 25th payment is 244.78. Find the interest rate for this loan.
(b) Jane borrows money to buy a new piano. She agrees to pay back the loan with level annual payments at the end of each year for 30 years. The annual interest rate is 7%. The interest in her 10th payment is 366.74. What is the interest in her 20th payment?

The starr theater, owned by meg vargo, will begin operations in march. the starr will be unique in that it will show only triple features of sequential theme movies. as of march 1, the ledger of starr showed: cash $3,150, land $22,000, buildings (concession stand, projection room, ticket booth, and screen) $10,000, equipment $10,000, accounts payable $7,300, and owner’s capital $37,850. during the month of march, the following events and transactions occurred. mar. 2 rented the three indiana jones movies to be shown for the first 3 weeks of march. the film rental was $3,600; $1,600 was paid in cash and $2,000 will be paid on march 10.3 ordered the lord of the rings movies to be shown the last 10 days of march. it will cost $200 per night.9 received $4,500 cash from admissions.10 paid balance due on indiana jones movies rental and $2,200 on march 1 accounts payable.11 starr theater contracted with adam ladd to operate the concession stand. ladd is to pay 15% of gross concession receipts, payable monthly, for the rental of the concession stand.12 paid advertising expenses $900.20 received $5,100 cash from customers for admissions.20 received the lord of the rings movies and paid the rental fee of $2,000.31 paid salaries of $2,900.31 received statement from adam ladd showing gross receipts from concessions of $6,000 and the balance due to starr theater of $900 ($6,000 × 15%) for march. ladd paid one-half the balance due and will remit the remainder on april 5.31 received $9,200 cash from customers for admissions.1.) enter the beginning balances in the ledger.2.) journalize the march transactions. starr records admission revenue as service revenue, rental of the concession stand as rent revenue, and film rental expense as rent expense. (credit account titles are automatically indented when the amount is entered. do not indent manually. record journal entries in the order presented in the problem. if no entry is required, select "no entry" for the account titles and enter 0 for the amounts.)3.) post the march journal entries to the ledger. (post entries in the order of journal entries presented in the previous question.)