Cassidy Sahagun, a 24-year-old Filipino residing at San Antonio, Zambales and acting as the mayor of the said town. Mayor Sahagun entered into the following contract during her term as the mayor:

July 20, 2022. Sahagun entered into a contract with Abacan Office, Inc for the purchase of new 20 computers of municipal employees. The unit cost of each computer is 19,422.95. Delivery date is on December 28, 2022.

Before the contract signing, different companies participated in the bidding conducted by the municipal office to which each companies demonstrate the actual products and explain the specifications of each product.

July 21, 2022. Sahagun entered into a contract for purchase of a commercial lot located in San Felipe Zambales. The lot is inside a subdivision owned by San Felipe Developer Inc. Contract term follows: Price 50,000,000; payment term - Option Money - 15% of down payment; down payment - 25% of contract price payable in 12 months and remaining balance payable in 6 yrs. The contract is personal contract of the mayor and the fund used comes in her own fund and not of the municipal.

July 25, 2022. A resident of San Antonio offers the mayor for a sale of his property. The amount is generously discounted due to the mayor's position. The mayor humbly rejects the offer and no contract has been made between the two.

July 26, 2022. Sahagun tie the knot with her long-term boyfriend. Sometime after the marriage, her husband sold his land to Sahagun for 2,000,000. Deed of sale and title were delivered to the hands of the mayor on the same date of payment.

August 1, 2022. The mayor sold thru her agent, her dwelling to Andrea Recaido for 4,000,000 with terms 50% down payment and remaining balance payable in 5yrs. (3 annual installment). There are two mortgages entered into: 1. Mortgage on the subject of the contract; 2. Mortgage on the car of Recaido.

August 5, 2022. The mayor initiated a drive for the native aetas on the town. The drive is to outreach with them and give them their necessities. The mayor ordered 5,000 cavans of rice, 5,000 boxes of assorted groceries, 20,000 pairs of slippers and clothes, 20,000 food packs and 50 gallons of fruit juice. All amounts are personally shouldered by the mayor. Delivery of which are due on August 10,2022, the day of the program. Contract price follows: rice - 1800; groceries - 3500; slippers - 150; juice - 100, food packs -- 100. Fair value: rice - 1300; groceries - 3600; slippers - 130; juice - 90, food packs -- 150.

August 29, 2022. Mae Manuel, friend of the Sahagun sold her car for 5,000,000 with terms 1,000,000 down payment and 4,000,000 payables in 10 installments. Delivery was made with a term that the usage of car will still be with Mae as long as she is in the country and will be given to Sahagun on September 20, 2022, flight date, and Manuel will pay for the rent of 100,000. Sahagun already paid for the down payment. Mortgage made follows: 1. To the subject - car and 2. To the watch of Sahagun.

September 1, 2022. Sahagun bought a brand-new cellphone worth 35,000 online. The seller promised to deliver the cellphone on September 5, 2022. The mayor asks the seller to gift wrap the item because this is used as a birthday gift to her husband.

1. Compute for the monthly installment of down payment (transaction

with San Felipe).

2. Compute for the monthly installment after down payment (transaction

with San Felipe).

3. In case there is default on payment of the 11th and 12th monthly installment, compute for the cash surrender value (transaction with San

Felipe).

4. In case, she defaulted on 38th and 39th monthly installments, compute for the grace period (transaction with San Felipe).

5. In case, she defaulted on 54th and 55th monthly installments, compute 1 point for the cash surrender value (transaction with San Felipe).

6. In case there is default on the 3rd and 4th installments and foreclosure 1 point has been made on the watch of Sahagun. The proceeds of which is 50,000. How much is still recoverable from Sahagun?

7. In case there is default on the 3rd and 4th installments and foreclosure 1 point has been made on the car. The proceeds of which is 55,000. How much is still recoverable from Sahagun?