Xiao Ming's mother deposited 5000 yuan in the bank, The tax method of deposit interest stipulated by the state is: interest tax = interest × 20%, and you can get RMB 5090 yuan at the end of one year. What's the annual interest rate of this deposit
Let the annual interest rate be X
Interest = 5000 * x
Interest tax = 5000 * x * 20%
5000+5000*X-5000*X*20%=5090
X=2.25%
Li Hua deposits 5000 yuan into China Construction Bank for two years with an annual interest rate of 2.7%. When it matures, what is his actual after tax interest______ .
5 000 × 2.7% × 2, = 135 × 2, = 270 (yuan); 270 × (1-20%), = 270 × 80%, = 216 (yuan); answer: his actual after tax interest is 216 yuan
Xiao Li's mother deposits 5000 yuan in the bank for one year with an annual interest rate of 2.25%. When she withdraws money, the bank will deduct 20% of the interest tax. When it matures, how much is the interest tax? How much is it?
5000 × 2.25% × 1 × 20%, = 5000 × 0.0225 × 1 × 0.2, = 22.5 yuan; answer: when due, the interest tax paid is 22.5 yuan. 5000 + 5000 × 2.25% × 1-22.5, = 5000 + 112.5-22.5, = 5090 yuan; answer: take back 5090 yuan
My mother will deposit 5000 yuan into the bank for a year, with an annual interest rate of 1.98% and an interest tax of 5%. After maturity, my mother can get back the principal and after tax interest from the bank. How many yuan in total?
5000 × 1.98% × 1 × (1-5%) + 5000 = 5000 × 0.0198 × 1 × 0.95 + 5000, = 99 × 0.95 + 5000, = 94.05 + 5000, = 5094.05 yuan; a: Mom can get back the principal and after tax interest from the bank, totaling 5094.05 yuan