correctly a During the Corona crisis, a delivery company decided to extend their fleet and invested in new delivery vehicles. For this purpose, they took a loan over 5,000,000 that they need to repay over the coming 9 years. The yearly nominal interest for the loan is 3%. What is the height of the monthly deposits to repay the loan (including interest) if they are paid at the end of each month? b Compute the monthly deposits for the situation described in a with the change that the monthly deposits are due at the beginning of each month. The company expects that after four years, the vehicle will need costly maintenance. Therefore, they make a yearly deposit of A Euros to a bank account, with the purpose of having 200.000 Euros to spend on maintenance after 4 years. The deposits are made at the beginning of each year. The bank gives an interest rate of 2.2% (yearly compounded) and in the last year a bonus interest of 10% (that is, in years 1 to 3, the interest rate is 2.2% and in year 4 the interest rate is 12.2%). Compute the height of the yearly deposits that are needed in order to have 200,000 Euros after four vears