please answer these two questions thank you

4. Jewel makes year-end deposits of 1000 php the first year, 1050 php the second year and so on, increasing the next year's deposit by 5% in the preceding year until the end of the 20th year. Gem makes a year-end deposits of 1000 php each year increasing the next year's deposit by a constant amount of 100 php in the preceding year until the end of the hot 20th year. If Interest on both funds is 10% compounded annually, What are the equivalent annuity of each savings? 5.A certain company makes it a policy that for any new piece of equipment, the annual depreciation lost should not exceed 10% of the First Cost while the Salvage Value is 10% of the First Cost. Determine the minimum length of service lite in years (n), necessary, if the depreciation method used is: SLM, SEM, SYM, DBM, DDBM 4. Jewel makes year-end deposits of 1000 php the first year, 1050 php the second year and so on, increasing the next year's deposit by 5% in the preceding year until the end of the 20th year. Gem makes a year-end deposits of 1000 php each year increasing the next year's deposit by a constant amount of 100 php in the preceding year until the end of the hot 20th year. If Interest on both funds is 10% compounded annually, What are the equivalent annuity of each savings? 5.A certain company makes it a policy that for any new piece of equipment, the annual depreciation lost should not exceed 10% of the First Cost while the Salvage Value is 10% of the First Cost. Determine the minimum length of service lite in years (n), necessary, if the depreciation method used is: SLM, SEM, SYM, DBM, DDBM