1 (a) Kamal earned a total of $32 500 in 2017. He paid 9% of this amount into his pension. He paid 22% tax on the remainder of his earnings. Calculate the amount left after paying his pension and his tax. (b) Kamal invested $1200 in a savings account paying 1.8% per year compound interest. He left the money in the account for 5 years. Calculate the amount of money in the account at the end of 5 years. Give your answer correct to the nearest cent. (c) Kamal also invested some money in a different savings account for 5 years. This account paid 2.1% per year simple interest. At the end of 5 years there was $828.75 in the account. Calculate the amount of money he invested in this account. (d) The exchange rate between dollars ($) and pounds (£) is $1 = £0.72 . The exchange rate between dollars and euros (€) is $1 = €1.10 . Kamal has $275. He changes part of the $275 into pounds and receives £79.20 . He changes the remaining dollars into euros. Calculate the amount of money he receives in euros.